Patent Publication Number: US-11038118-B2

Title: Compound, light-emitting material, and organic light-emitting device

Description:
TECHNICAL FIELD 
     The present invention relates to a compound that is useful as a light-emitting material, and an organic light-emitting device using the same. 
     BACKGROUND ART 
     An organic light-emitting device, such as an organic electroluminescent device (organic EL device), has been actively studied for enhancing the light emission efficiency thereof. In particular, various studies for enhancing the light emission efficiency have been made by newly developing and combining an electron transporting material, a hole transporting material, a light-emitting material, and the like constituting an organic electroluminescent device. There are studies focusing on a compound emitting delayed fluorescent light. 
     Delayed fluorescent light is fluorescent light emitted through such a mechanism that a compound in an excited state through application of energy undergoes reverse intersystem crossing from the excited triplet state to the excited singlet state, and then the excited singlet state returns to the ground state to emit the fluorescent light, and the delayed fluorescent light is fluorescent light that is observed with a delay from the fluorescent light directly emitted from the excited singlet state (normal fluorescent light). With the use of the compound capable of emitting delayed fluorescent light as a light-emitting material of an organic electroluminescent device, the energy of the excited triplet state, which has a large formation probability, can be converted to fluorescent light and thus can be effectively utilized for light emission, from which a high light emission efficiency can be expected. Accordingly, compounds emitting delayed fluorescent light have been actively developed, and there have been some proposals of the utilization of the compound as a light-emitting material. 
     For example, PTL 1 describes that a compound having a benzene ring having substituted thereon two cyano groups and one or more carbazolyl group or the like is a compound capable of emitting delayed fluorescent light. The literature describes that the use of the compound as a light-emitting material of an organic electroluminescent device and the like can enhance the light emission efficiency. 
     CITATION LIST 
     Patent Literature 
     PTL 1: Japanese Patent No. 5,366,106 
     SUMMARY OF INVENTION 
     Technical Problem 
     However, it is still unclear as to what type of chemical structure can generally emit delayed fluorescent light. For example, compounds that are similar to the compound described in PTL 1 do not necessarily emit delayed fluorescent light, and it is difficult to estimate from the structure as to whether or not delayed fluorescent light is emitted therefrom. Accordingly, for employing compounds capable of emitting delayed fluorescent light from a wider range of compounds, it is considered that a compound capable of emitting delayed fluorescent light is necessarily discovered and utilized from outside the range of the compounds proposed by PTL 1. 
     Under the circumstances, the present inventors have made earnest investigations for discovering a compound emitting delayed fluorescent light even though having a structure that is not described in PTL 1. The inventors have made earnest investigations for eliciting the general formula of the compound and generalizing the structure of an organic light-emitting device having a high light emission efficiency. 
     Solution to Problem 
     As a result of the earnest investigations, the inventors have found that a compound capable of emitting delayed fluorescent light exists in compounds having a structure containing a benzene ring having only one cyano group substituted thereon. The inventors have reached knowledge that the use of the compound capable of emitting delayed fluorescent light as a light-emitting material can provide an organic light-emitting device having a high light emission efficiency. The invention is proposed based on the knowledge and specifically has the following constitution. 
     [1] A compound having a structure represented by the following general formula (1): 
                         
wherein in the general formula (1), three or more of R 1 , R 2 , R 4 , and R 5  each independently represent a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, or a substituted or unsubstituted 10-phenothiazyl group, and the balance thereof represents a hydrogen atom or a substituent, provided that the substituent excludes a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, a substituted or unsubstituted 10-phenothiazyl group, and a cyano group, and one or more of carbon atom constituting ring skeletons of the substituted or unsubstituted 9-carbazolyl group, the substituted or unsubstituted 10-phenoxazyl group, and the substituted or unsubstituted 10-phenothiazyl group may be replaced by a nitrogen atom; and R 3  represents a hydrogen atom or a substituent, provided that the substituent excludes a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, a cyano group, a substituted or unsubstituted 10-phenothiazyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, and a substituted or unsubstituted alkynyl group.
 
     [2] The compound according to the item [1], wherein three or more of R 1 , R 2 , R 4 , and R 5  each represent a 9-carbazolyl group substituted with one or more substituent selected from a substituted or unsubstituted branched alkyl group, a substituted or unsubstituted alkoxy group, and a substituted or unsubstituted diarylamino group, or an unsubstituted 9-carbazolyl group. 
     [3] The compound according to the item [1] or [2], wherein three or more of R 1 , R 2 , R 4 , and R 5  each represent a 9-carbazolyl group substituted with one or more substituted or unsubstituted branched alkyl group. 
     [4] The compound according to the item [1] or [2], wherein all R 1 , R 2 , R 4 , and R 5  each represent a substituted or unsubstituted 9-carbazolyl group. 
     [5] The compound according to the item [1] or [2], wherein three of R 1 , R 2 , R 4 , and R 5  each represent a substituted or unsubstituted 9-carbazolyl group. 
     [6] The compound according to the item [1] or [2], wherein three or more of R 1 , R 2 , R 4 , and R 5  represent unsubstituted 9-carbazolyl groups. 
     [7] The compound according to any one of the items [1] to [3], wherein three or more of R 1 , R 2 , R 4 , and R 5  each represent a 9-carbazolyl group substituted with substituents at the 3-position and the 6-position. 
     [8] The compound according to any one of the items [1] to [7], wherein R 3  represents a hydrogen atom. 
     [9] A light-emitting material containing the compound according to any one of the items [1] to [8]. 
     [10] The light-emitting material according to the item [9], wherein the light-emitting material emits delayed fluorescent light. 
     [11] An organic light-emitting device containing a substrate having thereon a light-emitting layer containing the light-emitting material according to the item [9] or [10]. 
     [12] The organic light-emitting device according to the item [11], wherein the organic light-emitting device is an organic electroluminescent device. 
     [13] The organic light-emitting device according to the item [11] or [12], wherein the light-emitting layer contains the compound according to any one of the items [1] to [8] and a host material. 
     [14] A delayed fluorescent material having a structure represented by the following general formula (1′): 
                         
wherein in the general formula (1′), three or more of R 1′ , R 2′ , R 4′ , and R 5′  each independently represent a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, or a substituted or unsubstituted 10-phenothiazyl group, and the balance thereof represents a hydrogen atom or a substituent, provided that the substituent excludes a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, a substituted or unsubstituted 10-phenothiazyl group, and a cyano group, and one or more of carbon atom constituting ring skeletons of the substituted or unsubstituted 9-carbazolyl group, the substituted or unsubstituted 10-phenoxazyl group, and the substituted or unsubstituted 10-phenothiazyl group may be replaced by a nitrogen atom; and R 3′  represents a hydrogen atom or a substituent, provided that the substituent excludes a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, a substituted or unsubstituted 10-phenothiazyl group, or a cyano group.
 
     Advantageous Effects of Invention 
     The compound of the invention is useful as a light-emitting material. The compound of the invention can emit delayed fluorescent light, and the triplet excitation energy thereof can be effectively utilized for light emission. Accordingly, the organic light-emitting device using the compound of the invention as a light-emitting material can achieve a high light emission efficiency. 
    
    
     
       BRIEF DESCRIPTION OF DRAWINGS 
         FIG. 1  is a schematic cross sectional view showing an example of a layer structure of an organic electroluminescent device. 
         FIG. 2  is the light emission spectrum and the light absorption spectrum of the toluene solution of the compound 1 in Example 1. 
         FIG. 3  is the transient decay curves of the toluene solution of the compound 1 in Example 1. 
         FIG. 4  is the light emission spectrum and the light absorption spectrum of the toluene solution of the compound 2 in Example 2. 
         FIG. 5  is the transient decay curves of the toluene solution of the compound 2 in Example 2. 
         FIG. 6  is the light emission spectrum and the light absorption spectrum of the toluene solution of the compound 3 in Example 3. 
         FIG. 7  is the transient decay curves of the toluene solution of the compound 3 in Example 3. 
         FIG. 8  is the light absorption spectrum of the toluene solution of the compound 814 in Example 4. 
         FIG. 9  is the transient decay curves of the toluene solution of the compound 814 in Example 4. 
         FIG. 10  is the light emission spectrum and the light absorption spectrum of the toluene solution of the compound 816 in Example 5. 
         FIG. 11  is the transient decay curves of the toluene solution of the compound 816 in Example 5. 
         FIG. 12  is the transient decay curves of the toluene solution of the comparative compound 1. 
         FIG. 13  is the transient decay curves of the toluene solution of the comparative compound 2. 
         FIG. 14  is the transient decay curves of the toluene solution of the comparative compound 3. 
         FIG. 15  is the light emission spectrum of the organic electroluminescent device using the compound 1. 
         FIG. 16  is a graph showing the luminance-external quantum efficiency characteristics of the organic electroluminescent devices using the compound 1. 
     
    
    
     DESCRIPTION OF EMBODIMENTS 
     The contents of the invention will be described in detail below. The constitutional elements may be described below with reference to representative embodiments and specific examples of the invention, but the invention is not limited to the embodiments and the examples. In the description herein, a numerical range expressed as “to” means a range that includes the upper limit and/or the lower limit. In the invention, the hydrogen atom that is present in the compound used in the invention is not particularly limited in isotope species, and for example, all the hydrogen atoms in the molecule may be  1 H, and all or a part of them may be  2 H (deuterium (D)). 
     Compound Represented by General Formula (1) 
     The light-emitting material of the invention contains a compound represented by the following general formula (1). 
     
       
         
         
             
             
         
       
     
     In the general formula (1), three or more of R 1 , R 2 , R 4 , and R 5  each independently represent a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, or a substituted or unsubstituted 10-phenothiazyl group, and the balance thereof represents a hydrogen atom or a substituent, provided that the substituent excludes a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, a substituted or unsubstituted 10-phenothiazyl group, or a cyano group. 
     The number of moieties of R 1 , R 2 , R 4 , and R 5  that each represent a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, or a substituted or unsubstituted 10-phenothiazyl group may be three or four, and is preferably four. In the case where three of R 1 , R 2 , R 4 , and R 5  each represent a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, or a substituted or unsubstituted 10-phenothiazyl group, the moieties that each represent one of these groups may be R 1 , R 2 , and R 4 , and may be R 1 , R 2 , and R 5 . The moieties of R 1 , R 2 , R 4 , and R 5  that each represent a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, or a substituted or unsubstituted 10-phenothiazyl group may have the same structure or different structures, and preferably have the same structure. 
     At least one of R 1 , R 2 , R 4 , and R 5  preferably represents a substituted or unsubstituted 9-carbazolyl group, and three or more thereof each more preferably represent a substituted or unsubstituted 9-carbazolyl group, i.e., it is more preferred that all R 1 , R 2 , R 4 , and R 5  each represent a substituted or unsubstituted 9-carbazolyl group, or three of R 1 , R 2 , R 4 , and R 5  each represent a substituted or unsubstituted 9-carbazolyl group. Three or more of R 1 , R 2 , R 4 , and R 5  each more preferably represent a 9-carbazolyl group substituted with one or more substituent selected from a substituted or unsubstituted branched alkyl group, a substituted or unsubstituted alkoxy group, and a substituted or unsubstituted diarylamino group, or an unsubstituted 9-carbazolyl group, further preferably represent a 9-carbazolyl group substituted with one or more substituent selected from an unsubstituted branched alkyl group having from 3 to 20 carbon atoms, an unsubstituted alkoxy group having from 1 to 20 carbon atoms, a diarylamino group substituted with an unsubstituted alkoxy group having from 1 to 20 carbon atoms, and an unsubstituted diarylamino group, or an unsubstituted 9-carbazolyl group, and particularly preferably represent a 9-carbazolyl group substituted with one or more unsubstituted branched alkyl group having from 3 to 20 carbon atoms, or an unsubstituted 9-carbazolyl group. The number of carbon atoms of the unsubstituted branched alkyl group is more preferably from 3 to 10, and further preferably from 3 to 5. In the case where the 9-carbazolyl group has a substituent, the substitution position thereof is not particularly limited. Preferred examples thereof include a case where at least one of the 3-position and the 6-position is substituted, and more preferred examples include a case where both the 3-position and the 6-position are substituted. 
     One or more of carbon atom constituting ring skeletons of the 9-carbazolyl group, the 10-phenoxazyl group, and the 10-phenothiazyl group in each of R 1 , R 2 , R 4 , and R 5  may be replaced by a nitrogen atom. The number of carbon atoms that are replaced by a nitrogen atom is not particularly limited, and is preferably from 1 to 4, and more preferably 1 or 2. 
     R 3  represents a hydrogen atom or a substituent, provided that the substituent excludes a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, a substituted or unsubstituted 10-phenothiazyl group, a cyano group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, and a substituted or unsubstituted alkynyl group. R 3  preferably represent a hydrogen atom. 
     In the case where R 1 , R 2 , R 4 , and R 5  each represent 10-phenoxazyl group substituted with a substituent or a 10-phenothiazyl group substituted with a substituent, examples of the substituent of the 10-phenoxazyl group and the 10-phenothiazyl group include a hydroxyl group, a halogen atom, a cyano group, an alkyl group having from 1 to 20 carbon atoms, an alkoxy group having from 1 to 20 carbon atoms, an alkylthio group having from 1 to 20 carbon atoms, an alkyl-substituted amino group having from 1 to 20 carbon atoms, an acyl group having from 2 to 20 carbon atoms, an aryl group having from 6 to 40 carbon atoms, a heteroaryl group having from 3 to 40 carbon atoms, an alkenyl group having from 2 to 10 carbon atoms, an alkynyl group having from 2 to 10 carbon atoms, an alkoxycarbonyl group having from 2 to 10 carbon atoms, an alkylsulfonyl group having from 1 to 10 carbon atoms, a haloalkyl group having from 1 to 10 carbon atoms, an amide group, an alkylamide group having from 2 to 10 carbon atoms, a trialkylsilyl group having from 3 to 20 carbon atoms, a trialkylsilylalkyl group having from 4 to 20 carbon atoms, a trialkylsilylalkenyl group having from 5 to 20 carbon atoms, a trialkylsilylalkynyl group having from 5 to 20 carbon atoms, and a nitro group. In these specific examples, the substituent that is capable of being further substituted with a substituent may be substituted. More preferred examples of the substituent include a halogen atom, a cyano group, a substituted or unsubstituted alkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted alkoxy group having from 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having from 6 to 40 carbon atoms, a substituted or unsubstituted heteroaryl group having from 3 to 40 carbon atoms, and a dialkyl-substituted amino group having from 2 to 20 carbon atoms. Further preferred examples of the substituent include a fluorine atom, a chlorine atom, a cyano group, a substituted or unsubstituted alkyl group having from 1 to 10 carbon atoms, a substituted or unsubstituted alkoxy group having from 1 to 10 carbon atoms, a substituted or unsubstituted aryl group having from 6 to 15 carbon atoms, and a substituted or unsubstituted heteroaryl group having from 3 to 12 carbon atoms. 
     In the case where three of R 1 , R 2 , R 4 , and R 5  each represent a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, or a substituted or unsubstituted 10-phenothiazyl group, examples of the substituent capable of being represented by R 1 , R 2 , R 4 , or R 5  include the groups exemplified for the substituent of the 10-phenoxazyl group or the 10-phenothiazyl group, except for a cyano group, provided that the heteroaryl group excludes a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, and a substituted or unsubstituted 10-phenothiazyl group. More preferred examples of the substituent include a substituted or unsubstituted alkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted alkoxy group having from 1 to 20 carbon atoms, and a substituted or unsubstituted aryl group having from 6 to 40 carbon atoms. 
     Examples of the substituent capable of being represented by R 3  include the groups exemplified for the substituent of the 10-phenoxazyl group and the 10-phenothiazyl group, except for a substituted or unsubstituted aryl group having from 6 to 40 carbon atoms, a substituted or unsubstituted heteroaryl group having from 3 to 40 carbon atoms, an alkynyl group having from 2 to 10 carbon atoms, a trialkylsilylalkynyl group having from 5 to 20 carbon atoms, and a cyano group. More preferred examples of the substituent include a substituted or unsubstituted alkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted alkoxy group having from 1 to 20 carbon atoms, and a dialkyl-substituted amino group having from 2 to 20 carbon atoms. In the dialkylamino group, the alkyl groups may be bonded to each other via an oxygen atom or the like to form a ring structure. 
     Specific examples of R 1 , R 2 , R 4 , or R 5  in the general formula (1) (D1 to D38) and specific examples of the compound represented by the general formula (1) (Compounds 1 to 835 in Table 1) are shown below. However, in the invention, R 1 , R 2 , R 4 , or R 5  in the general formula (1) and the compound represented by the general formula (1) are not construed as being limited to the specific examples. In Table 1, “t-Bu” shows a tert-butyl group, and “Ph” shows a phenyl group. 
     
       
         
         
             
             
         
       
       
         
         
             
             
         
       
       
         
         
             
             
         
       
       
         
         
             
             
         
       
       
         
         
             
             
         
       
     
     
       
         
           
               
               
               
               
               
               
             
               
                 TABLE 1 
               
               
                   
               
               
                 Compound No. 
                 R 1   
                 R 2   
                 R 3   
                 R 4   
                 R 5   
               
               
                   
               
             
            
               
                   
               
            
           
           
               
               
               
               
               
               
            
               
                 1 
                 D1 
                 D1 
                 H 
                 D1 
                 D1 
               
               
                 2 
                 D1 
                 D1 
                 H 
                 H 
                 D1 
               
               
                 3 
                 D1 
                 D1 
                 H 
                 D1 
                 H 
               
               
                 4 
                 D2 
                 D2 
                 H 
                 D2 
                 H 
               
               
                 5 
                 D2 
                 D2 
                 H 
                 H 
                 D2 
               
               
                 6 
                 D2 
                 D2 
                 H 
                 D2 
                 D2 
               
               
                 7 
                 D3 
                 D3 
                 H 
                 D3 
                 H 
               
               
                 8 
                 D3 
                 D3 
                 H 
                 H 
                 D3 
               
               
                 9 
                 D3 
                 D3 
                 H 
                 D3 
                 D3 
               
               
                 10 
                 D4 
                 D4 
                 H 
                 D4 
                 H 
               
               
                 11 
                 D4 
                 D4 
                 H 
                 H 
                 D4 
               
               
                 12 
                 D4 
                 D4 
                 H 
                 D4 
                 D4 
               
               
                 13 
                 D5 
                 D5 
                 H 
                 D5 
                 H 
               
               
                 14 
                 D5 
                 D5 
                 H 
                 H 
                 D5 
               
               
                 15 
                 D5 
                 D5 
                 H 
                 D5 
                 D5 
               
               
                 16 
                 D6 
                 D6 
                 H 
                 D6 
                 H 
               
               
                 17 
                 D6 
                 D6 
                 H 
                 H 
                 D6 
               
               
                 18 
                 D6 
                 D6 
                 H 
                 D6 
                 D6 
               
               
                 19 
                 D7 
                 D7 
                 H 
                 D7 
                 H 
               
               
                 20 
                 D7 
                 D7 
                 H 
                 H 
                 D7 
               
               
                 21 
                 D7 
                 D7 
                 H 
                 D7 
                 D7 
               
               
                 22 
                 D8 
                 D8 
                 H 
                 D8 
                 H 
               
               
                 23 
                 D8 
                 D8 
                 H 
                 H 
                 D8 
               
               
                 24 
                 D8 
                 D8 
                 H 
                 D8 
                 D8 
               
               
                 25 
                 D9 
                 D9 
                 H 
                 D9 
                 H 
               
               
                 26 
                 D9 
                 D9 
                 H 
                 H 
                 D9 
               
               
                 27 
                 D9 
                 D9 
                 H 
                 D9 
                 D9 
               
               
                 28 
                 D10 
                 D10 
                 H 
                 D10 
                 H 
               
               
                 29 
                 D10 
                 D10 
                 H 
                 H 
                 D10 
               
               
                 30 
                 D10 
                 D10 
                 H 
                 D10 
                 D10 
               
               
                 31 
                 D11 
                 D11 
                 H 
                 D11 
                 H 
               
               
                 32 
                 D11 
                 D11 
                 H 
                 H 
                 D11 
               
               
                 33 
                 D11 
                 D11 
                 H 
                 D11 
                 D11 
               
               
                 34 
                 D12 
                 D12 
                 H 
                 D12 
                 H 
               
               
                 35 
                 D12 
                 D12 
                 H 
                 H 
                 D12 
               
               
                 36 
                 D12 
                 D12 
                 H 
                 D12 
                 D12 
               
               
                 37 
                 D13 
                 D13 
                 H 
                 D13 
                 H 
               
               
                 38 
                 D13 
                 D13 
                 H 
                 H 
                 D13 
               
               
                 39 
                 D13 
                 D13 
                 H 
                 D13 
                 D13 
               
               
                 40 
                 D14 
                 D14 
                 H 
                 D14 
                 H 
               
               
                 41 
                 D14 
                 D14 
                 H 
                 H 
                 D14 
               
               
                 42 
                 D14 
                 D14 
                 H 
                 D14 
                 D14 
               
               
                 43 
                 D15 
                 D15 
                 H 
                 D15 
                 H 
               
               
                 44 
                 D15 
                 D15 
                 H 
                 H 
                 D15 
               
               
                 45 
                 D15 
                 D15 
                 H 
                 D15 
                 D15 
               
               
                 46 
                 D16 
                 D16 
                 H 
                 D16 
                 H 
               
               
                 47 
                 D16 
                 D16 
                 H 
                 H 
                 D16 
               
               
                 48 
                 D16 
                 D16 
                 H 
                 D16 
                 D16 
               
               
                 49 
                 D17 
                 D17 
                 H 
                 D17 
                 H 
               
               
                 50 
                 D17 
                 D17 
                 H 
                 H 
                 D17 
               
               
                 51 
                 D17 
                 D17 
                 H 
                 D17 
                 D17 
               
               
                 52 
                 D18 
                 D18 
                 H 
                 D18 
                 H 
               
               
                 53 
                 D18 
                 D18 
                 H 
                 H 
                 D18 
               
               
                 54 
                 D18 
                 D18 
                 H 
                 D18 
                 D18 
               
               
                 55 
                 D19 
                 D19 
                 H 
                 D19 
                 H 
               
               
                 56 
                 D19 
                 D19 
                 H 
                 H 
                 D19 
               
               
                 57 
                 D19 
                 D19 
                 H 
                 D19 
                 D19 
               
               
                 58 
                 D20 
                 D20 
                 H 
                 D20 
                 H 
               
               
                 59 
                 D20 
                 D20 
                 H 
                 H 
                 D20 
               
               
                 60 
                 D20 
                 D20 
                 H 
                 D20 
                 D20 
               
               
                 61 
                 D21 
                 D21 
                 H 
                 D21 
                 H 
               
               
                 62 
                 D21 
                 D21 
                 H 
                 H 
                 D21 
               
               
                 63 
                 D21 
                 D21 
                 H 
                 D21 
                 D21 
               
               
                 64 
                 D22 
                 D22 
                 H 
                 D22 
                 H 
               
               
                 65 
                 D22 
                 D22 
                 H 
                 H 
                 D22 
               
               
                 66 
                 D22 
                 D22 
                 H 
                 D22 
                 D22 
               
               
                 67 
                 D23 
                 D23 
                 H 
                 D23 
                 H 
               
               
                 68 
                 D23 
                 D23 
                 H 
                 H 
                 D23 
               
               
                 69 
                 D23 
                 D23 
                 H 
                 D23 
                 D23 
               
               
                 70 
                 D24 
                 D24 
                 H 
                 D24 
                 H 
               
               
                 71 
                 D24 
                 D24 
                 H 
                 H 
                 D24 
               
               
                 72 
                 D24 
                 D24 
                 H 
                 D24 
                 D24 
               
               
                 73 
                 D25 
                 D25 
                 H 
                 D25 
                 H 
               
               
                 74 
                 D25 
                 D25 
                 H 
                 H 
                 D25 
               
               
                 75 
                 D25 
                 D25 
                 H 
                 D25 
                 D25 
               
               
                 76 
                 D26 
                 D26 
                 H 
                 D26 
                 H 
               
               
                 77 
                 D26 
                 D26 
                 H 
                 H 
                 D26 
               
               
                 78 
                 D26 
                 D26 
                 H 
                 D26 
                 D26 
               
               
                 79 
                 D27 
                 D27 
                 H 
                 D27 
                 H 
               
               
                 80 
                 D27 
                 D27 
                 H 
                 H 
                 D27 
               
               
                 81 
                 D27 
                 D27 
                 H 
                 D27 
                 D27 
               
               
                 82 
                 D28 
                 D28 
                 H 
                 D28 
                 H 
               
               
                 83 
                 D28 
                 D28 
                 H 
                 H 
                 D28 
               
               
                 84 
                 D28 
                 D28 
                 H 
                 D28 
                 D28 
               
               
                 85 
                 D29 
                 D29 
                 H 
                 D29 
                 H 
               
               
                 86 
                 D29 
                 D29 
                 H 
                 H 
                 D29 
               
               
                 87 
                 D29 
                 D29 
                 H 
                 D29 
                 D29 
               
               
                 88 
                 D30 
                 D30 
                 H 
                 D30 
                 H 
               
               
                 89 
                 D30 
                 D30 
                 H 
                 H 
                 D30 
               
               
                 90 
                 D30 
                 D30 
                 H 
                 D30 
                 D30 
               
               
                 91 
                 D31 
                 D31 
                 H 
                 D31 
                 H 
               
               
                 92 
                 D31 
                 D31 
                 H 
                 H 
                 D31 
               
               
                 93 
                 D31 
                 D31 
                 H 
                 D31 
                 D31 
               
               
                 94 
                 D32 
                 D32 
                 H 
                 D32 
                 H 
               
               
                 95 
                 D32 
                 D32 
                 H 
                 H 
                 D32 
               
               
                 96 
                 D32 
                 D32 
                 H 
                 D32 
                 D32 
               
               
                 97 
                 D33 
                 D33 
                 H 
                 D33 
                 H 
               
               
                 98 
                 D33 
                 D33 
                 H 
                 H 
                 D33 
               
               
                 99 
                 D33 
                 D33 
                 H 
                 D33 
                 D33 
               
               
                 100 
                 D34 
                 D34 
                 H 
                 D34 
                 H 
               
               
                 101 
                 D34 
                 D34 
                 H 
                 H 
                 D34 
               
               
                 102 
                 D34 
                 D34 
                 H 
                 D34 
                 D34 
               
               
                 103 
                 D35 
                 D35 
                 H 
                 D35 
                 H 
               
               
                 104 
                 D35 
                 D35 
                 H 
                 H 
                 D35 
               
               
                 105 
                 D35 
                 D35 
                 H 
                 D35 
                 D35 
               
               
                 106 
                 D36 
                 D36 
                 H 
                 D36 
                 H 
               
               
                 107 
                 D36 
                 D36 
                 H 
                 H 
                 D36 
               
               
                 108 
                 D36 
                 D36 
                 H 
                 D36 
                 D36 
               
               
                 109 
                 D37 
                 D37 
                 H 
                 D37 
                 H 
               
               
                 110 
                 D37 
                 D37 
                 H 
                 H 
                 D37 
               
               
                 111 
                 D1 
                 D1 
                 methyl 
                 D1 
                 methyl 
               
               
                 112 
                 D1 
                 D1 
                 methyl 
                 methyl 
                 D1 
               
               
                 113 
                 D1 
                 D1 
                 methyl 
                 D1 
                 D1 
               
               
                 114 
                 D2 
                 D2 
                 methyl 
                 D2 
                 methyl 
               
               
                 115 
                 D2 
                 D2 
                 methyl 
                 methyl 
                 D2 
               
               
                 116 
                 D2 
                 D2 
                 methyl 
                 D2 
                 D2 
               
               
                 117 
                 D3 
                 D3 
                 methyl 
                 D3 
                 methyl 
               
               
                 118 
                 D3 
                 D3 
                 methyl 
                 methyl 
                 D3 
               
               
                 119 
                 D3 
                 D3 
                 methyl 
                 D3 
                 D3 
               
               
                 120 
                 D4 
                 D4 
                 methyl 
                 D4 
                 methyl 
               
               
                 121 
                 D4 
                 D4 
                 methyl 
                 methyl 
                 D4 
               
               
                 122 
                 D4 
                 D4 
                 methyl 
                 D4 
                 D4 
               
               
                 123 
                 D5 
                 D5 
                 methyl 
                 D5 
                 methyl 
               
               
                 124 
                 D5 
                 D5 
                 methyl 
                 methyl 
                 D5 
               
               
                 125 
                 D5 
                 D5 
                 methyl 
                 D5 
                 D5 
               
               
                 126 
                 D6 
                 D6 
                 methyl 
                 D6 
                 methyl 
               
               
                 127 
                 D6 
                 D6 
                 methyl 
                 methyl 
                 D6 
               
               
                 128 
                 D6 
                 D6 
                 methyl 
                 D6 
                 D6 
               
               
                 129 
                 D7 
                 D7 
                 methyl 
                 D7 
                 methyl 
               
               
                 130 
                 D7 
                 D7 
                 methyl 
                 methyl 
                 D7 
               
               
                 131 
                 D7 
                 D7 
                 methyl 
                 D7 
                 D7 
               
               
                 132 
                 D8 
                 D8 
                 methyl 
                 D8 
                 methyl 
               
               
                 133 
                 D8 
                 D8 
                 methyl 
                 methyl 
                 D8 
               
               
                 134 
                 D8 
                 D8 
                 methyl 
                 D8 
                 D8 
               
               
                 135 
                 D9 
                 D9 
                 methyl 
                 D9 
                 methyl 
               
               
                 136 
                 D9 
                 D9 
                 methyl 
                 methyl 
                 D9 
               
               
                 137 
                 D9 
                 D9 
                 methyl 
                 D9 
                 D9 
               
               
                 138 
                 D10 
                 D10 
                 methyl 
                 D10 
                 methyl 
               
               
                 139 
                 D10 
                 D10 
                 methyl 
                 methyl 
                 D10 
               
               
                 140 
                 D10 
                 D10 
                 methyl 
                 D10 
                 D10 
               
               
                 141 
                 D11 
                 D11 
                 methyl 
                 D11 
                 methyl 
               
               
                 142 
                 D11 
                 D11 
                 methyl 
                 methyl 
                 D11 
               
               
                 143 
                 D11 
                 D11 
                 methyl 
                 D11 
                 D11 
               
               
                 144 
                 D12 
                 D12 
                 methyl 
                 D12 
                 methyl 
               
               
                 145 
                 D12 
                 D12 
                 methyl 
                 methyl 
                 D12 
               
               
                 146 
                 D12 
                 D12 
                 methyl 
                 D12 
                 D12 
               
               
                 147 
                 D13 
                 D13 
                 methyl 
                 D13 
                 methyl 
               
               
                 148 
                 D13 
                 D13 
                 methyl 
                 methyl 
                 D13 
               
               
                 149 
                 D13 
                 D13 
                 methyl 
                 D13 
                 D13 
               
               
                 150 
                 D14 
                 D14 
                 methyl 
                 D14 
                 methyl 
               
               
                 151 
                 D14 
                 D14 
                 methyl 
                 methyl 
                 D14 
               
               
                 152 
                 D14 
                 D14 
                 methyl 
                 D14 
                 D14 
               
               
                 153 
                 D15 
                 D15 
                 methyl 
                 D15 
                 methyl 
               
               
                 154 
                 D15 
                 D15 
                 methyl 
                 methyl 
                 D15 
               
               
                 155 
                 D15 
                 D15 
                 methyl 
                 D15 
                 D15 
               
               
                 156 
                 D16 
                 D16 
                 methyl 
                 D16 
                 methyl 
               
               
                 157 
                 D16 
                 D16 
                 methyl 
                 methyl 
                 D16 
               
               
                 158 
                 D16 
                 D16 
                 methyl 
                 D16 
                 D16 
               
               
                 159 
                 D17 
                 D17 
                 methyl 
                 D17 
                 methyl 
               
               
                 160 
                 D17 
                 D17 
                 methyl 
                 methyl 
                 D17 
               
               
                 161 
                 D17 
                 D17 
                 methyl 
                 D17 
                 D17 
               
               
                 162 
                 D18 
                 D18 
                 methyl 
                 D18 
                 methyl 
               
               
                 163 
                 D18 
                 D18 
                 methyl 
                 methyl 
                 D18 
               
               
                 164 
                 D18 
                 D18 
                 methyl 
                 D18 
                 D18 
               
               
                 165 
                 D19 
                 D19 
                 methyl 
                 D19 
                 methyl 
               
               
                 166 
                 D19 
                 D19 
                 methyl 
                 methyl 
                 D19 
               
               
                 167 
                 D19 
                 D19 
                 methyl 
                 D19 
                 D19 
               
               
                 168 
                 D20 
                 D20 
                 methyl 
                 D20 
                 methyl 
               
               
                 169 
                 D20 
                 D20 
                 methyl 
                 methyl 
                 D20 
               
               
                 170 
                 D20 
                 D20 
                 methyl 
                 D20 
                 D20 
               
               
                 171 
                 D21 
                 D21 
                 methyl 
                 D21 
                 methyl 
               
               
                 172 
                 D21 
                 D21 
                 methyl 
                 methyl 
                 D21 
               
               
                 173 
                 D21 
                 D21 
                 methyl 
                 D21 
                 D21 
               
               
                 174 
                 D22 
                 D22 
                 methyl 
                 D22 
                 methyl 
               
               
                 175 
                 D22 
                 D22 
                 methyl 
                 methyl 
                 D22 
               
               
                 176 
                 D22 
                 D22 
                 methyl 
                 D22 
                 D22 
               
               
                 177 
                 D23 
                 D23 
                 methyl 
                 D23 
                 methyl 
               
               
                 178 
                 D23 
                 D23 
                 methyl 
                 methyl 
                 D23 
               
               
                 179 
                 D23 
                 D23 
                 methyl 
                 D23 
                 D23 
               
               
                 180 
                 D24 
                 D24 
                 methyl 
                 D24 
                 methyl 
               
               
                 181 
                 D24 
                 D24 
                 methyl 
                 methyl 
                 D24 
               
               
                 182 
                 D24 
                 D24 
                 methyl 
                 D24 
                 D24 
               
               
                 183 
                 D25 
                 D25 
                 methyl 
                 D25 
                 methyl 
               
               
                 184 
                 D25 
                 D25 
                 methyl 
                 methyl 
                 D25 
               
               
                 185 
                 D25 
                 D25 
                 methyl 
                 D25 
                 D25 
               
               
                 186 
                 D26 
                 D26 
                 methyl 
                 D26 
                 methyl 
               
               
                 187 
                 D26 
                 D26 
                 methyl 
                 methyl 
                 D26 
               
               
                 188 
                 D26 
                 D26 
                 methyl 
                 D26 
                 D26 
               
               
                 189 
                 D27 
                 D27 
                 methyl 
                 D27 
                 methyl 
               
               
                 190 
                 D27 
                 D27 
                 methyl 
                 methyl 
                 D27 
               
               
                 191 
                 D27 
                 D27 
                 methyl 
                 D27 
                 D27 
               
               
                 192 
                 D28 
                 D28 
                 methyl 
                 D28 
                 methyl 
               
               
                 193 
                 D28 
                 D28 
                 methyl 
                 methyl 
                 D28 
               
               
                 194 
                 D28 
                 D28 
                 methyl 
                 D28 
                 D28 
               
               
                 195 
                 D29 
                 D29 
                 methyl 
                 D29 
                 methyl 
               
               
                 196 
                 D29 
                 D29 
                 methyl 
                 methyl 
                 D29 
               
               
                 197 
                 D29 
                 D29 
                 methyl 
                 D29 
                 D29 
               
               
                 198 
                 D30 
                 D30 
                 methyl 
                 D30 
                 methyl 
               
               
                 199 
                 D30 
                 D30 
                 methyl 
                 methyl 
                 D30 
               
               
                 200 
                 D30 
                 D30 
                 methyl 
                 D30 
                 D30 
               
               
                 201 
                 D31 
                 D31 
                 methyl 
                 D31 
                 methyl 
               
               
                 202 
                 D31 
                 D31 
                 methyl 
                 methyl 
                 D31 
               
               
                 203 
                 D31 
                 D31 
                 methyl 
                 D31 
                 D31 
               
               
                 204 
                 D32 
                 D32 
                 methyl 
                 D32 
                 methyl 
               
               
                 205 
                 D32 
                 D32 
                 methyl 
                 methyl 
                 D32 
               
               
                 206 
                 D32 
                 D32 
                 methyl 
                 D32 
                 D32 
               
               
                 207 
                 D33 
                 D33 
                 methyl 
                 D33 
                 methyl 
               
               
                 208 
                 D33 
                 D33 
                 methyl 
                 methyl 
                 D33 
               
               
                 209 
                 D33 
                 D33 
                 methyl 
                 D33 
                 D33 
               
               
                 210 
                 D34 
                 D34 
                 methyl 
                 D34 
                 methyl 
               
               
                 211 
                 D34 
                 D34 
                 methyl 
                 methyl 
                 D34 
               
               
                 212 
                 D34 
                 D34 
                 methyl 
                 D34 
                 D34 
               
               
                 213 
                 D35 
                 D35 
                 methyl 
                 D35 
                 methyl 
               
               
                 214 
                 D35 
                 D35 
                 methyl 
                 methyl 
                 D35 
               
               
                 215 
                 D35 
                 D35 
                 methyl 
                 D35 
                 D35 
               
               
                 216 
                 D36 
                 D36 
                 methyl 
                 D36 
                 methyl 
               
               
                 217 
                 D36 
                 D36 
                 methyl 
                 methyl 
                 D36 
               
               
                 218 
                 D36 
                 D36 
                 methyl 
                 D36 
                 D36 
               
               
                 219 
                 D37 
                 D37 
                 methyl 
                 D37 
                 methyl 
               
               
                 220 
                 D37 
                 D37 
                 methyl 
                 methyl 
                 D37 
               
               
                 221 
                 D37 
                 D37 
                 methyl 
                 D37 
                 D37 
               
               
                 222 
                 D1 
                 D1 
                 isopropyl 
                 D1 
                 isopropyl 
               
               
                 223 
                 D1 
                 D1 
                 isopropyl 
                 isopropyl 
                 D1 
               
               
                 224 
                 D1 
                 D1 
                 isopropyl 
                 D1 
                 D1 
               
               
                 225 
                 D2 
                 D2 
                 isopropyl 
                 D2 
                 isopropyl 
               
               
                 226 
                 D2 
                 D2 
                 isopropyl 
                 isopropyl 
                 D2 
               
               
                 227 
                 D2 
                 D2 
                 isopropyl 
                 D2 
                 D2 
               
               
                 228 
                 D3 
                 D3 
                 isopropyl 
                 D3 
                 isopropyl 
               
               
                 229 
                 D3 
                 D3 
                 isopropyl 
                 isopropyl 
                 D3 
               
               
                 230 
                 D3 
                 D3 
                 isopropyl 
                 D3 
                 D3 
               
               
                 231 
                 D4 
                 D4 
                 isopropyl 
                 D4 
                 isopropyl 
               
               
                 232 
                 D4 
                 D4 
                 isopropyl 
                 isopropyl 
                 D4 
               
               
                 233 
                 D4 
                 D4 
                 isopropyl 
                 D4 
                 D4 
               
               
                 234 
                 D5 
                 D5 
                 isopropyl 
                 D5 
                 isopropyl 
               
               
                 235 
                 D5 
                 D5 
                 isopropyl 
                 isopropyl 
                 D5 
               
               
                 236 
                 D5 
                 D5 
                 isopropyl 
                 D5 
                 D5 
               
               
                 237 
                 D6 
                 D6 
                 isopropyl 
                 D6 
                 isopropyl 
               
               
                 238 
                 D6 
                 D6 
                 isopropyl 
                 isopropyl 
                 D6 
               
               
                 239 
                 D6 
                 D6 
                 isopropyl 
                 D6 
                 D6 
               
               
                 240 
                 D7 
                 D7 
                 isopropyl 
                 D7 
                 isopropyl 
               
               
                 241 
                 D7 
                 D7 
                 isopropyl 
                 isopropyl 
                 D7 
               
               
                 242 
                 D7 
                 D7 
                 isopropyl 
                 D7 
                 D7 
               
               
                 243 
                 D8 
                 D8 
                 isopropyl 
                 D8 
                 isopropyl 
               
               
                 244 
                 D8 
                 D8 
                 isopropyl 
                 isopropyl 
                 D8 
               
               
                 245 
                 D8 
                 D8 
                 isopropyl 
                 D8 
                 D8 
               
               
                 246 
                 D9 
                 D9 
                 isopropyl 
                 D9 
                 isopropyl 
               
               
                 247 
                 D9 
                 D9 
                 isopropyl 
                 isopropyl 
                 D9 
               
               
                 248 
                 D9 
                 D9 
                 isopropyl 
                 D9 
                 D9 
               
               
                 249 
                 D10 
                 D10 
                 isopropyl 
                 D10 
                 isopropyl 
               
               
                 250 
                 D10 
                 D10 
                 isopropyl 
                 isopropyl 
                 D10 
               
               
                 251 
                 D10 
                 D10 
                 isopropyl 
                 D10 
                 D10 
               
               
                 252 
                 D11 
                 D11 
                 isopropyl 
                 D11 
                 isopropyl 
               
               
                 253 
                 D11 
                 D11 
                 isopropyl 
                 isopropyl 
                 D11 
               
               
                 254 
                 D11 
                 D11 
                 isopropyl 
                 D11 
                 D11 
               
               
                 255 
                 D12 
                 D12 
                 isopropyl 
                 D12 
                 isopropyl 
               
               
                 256 
                 D12 
                 D12 
                 isopropyl 
                 isopropyl 
                 D12 
               
               
                 257 
                 D12 
                 D12 
                 isopropyl 
                 D12 
                 D12 
               
               
                 258 
                 D13 
                 D13 
                 isopropyl 
                 D13 
                 isopropyl 
               
               
                 259 
                 D13 
                 D13 
                 isopropyl 
                 isopropyl 
                 D13 
               
               
                 260 
                 D13 
                 D13 
                 isopropyl 
                 D13 
                 D13 
               
               
                 261 
                 D14 
                 D14 
                 isopropyl 
                 D14 
                 isopropyl 
               
               
                 262 
                 D14 
                 D14 
                 isopropyl 
                 isopropyl 
                 D14 
               
               
                 263 
                 D14 
                 D14 
                 isopropyl 
                 D14 
                 D14 
               
               
                 264 
                 D15 
                 D15 
                 isopropyl 
                 D15 
                 isopropyl 
               
               
                 265 
                 D15 
                 D15 
                 isopropyl 
                 isopropyl 
                 D15 
               
               
                 266 
                 D15 
                 D15 
                 isopropyl 
                 D15 
                 D15 
               
               
                 267 
                 D16 
                 D16 
                 isopropyl 
                 D16 
                 isopropyl 
               
               
                 268 
                 D16 
                 D16 
                 isopropyl 
                 isopropyl 
                 D16 
               
               
                 269 
                 D16 
                 D16 
                 isopropyl 
                 D16 
                 D16 
               
               
                 270 
                 D17 
                 D17 
                 isopropyl 
                 D17 
                 isopropyl 
               
               
                 271 
                 D17 
                 D17 
                 isopropyl 
                 isopropyl 
                 D17 
               
               
                 272 
                 D17 
                 D17 
                 isopropyl 
                 D17 
                 D17 
               
               
                 273 
                 D18 
                 D18 
                 isopropyl 
                 D18 
                 isopropyl 
               
               
                 274 
                 D18 
                 D18 
                 isopropyl 
                 isopropyl 
                 D18 
               
               
                 275 
                 D18 
                 D18 
                 isopropyl 
                 D18 
                 D18 
               
               
                 276 
                 D19 
                 D19 
                 isopropyl 
                 D19 
                 isopropyl 
               
               
                 277 
                 D19 
                 D19 
                 isopropyl 
                 isopropyl 
                 D19 
               
               
                 278 
                 D19 
                 D19 
                 isopropyl 
                 D19 
                 D19 
               
               
                 279 
                 D20 
                 D20 
                 isopropyl 
                 D20 
                 isopropyl 
               
               
                 280 
                 D20 
                 D20 
                 isopropyl 
                 isopropyl 
                 D20 
               
               
                 281 
                 D20 
                 D20 
                 isopropyl 
                 D20 
                 D20 
               
               
                 282 
                 D21 
                 D21 
                 isopropyl 
                 D21 
                 isopropyl 
               
               
                 283 
                 D21 
                 D21 
                 isopropyl 
                 isopropyl 
                 D21 
               
               
                 284 
                 D21 
                 D21 
                 isopropyl 
                 D21 
                 D21 
               
               
                 285 
                 D22 
                 D22 
                 isopropyl 
                 D22 
                 isopropyl 
               
               
                 286 
                 D22 
                 D22 
                 isopropyl 
                 isopropyl 
                 D22 
               
               
                 287 
                 D22 
                 D22 
                 isopropyl 
                 D22 
                 D22 
               
               
                 288 
                 D23 
                 D23 
                 isopropyl 
                 D23 
                 isopropyl 
               
               
                 289 
                 D23 
                 D23 
                 isopropyl 
                 isopropyl 
                 D23 
               
               
                 290 
                 D23 
                 D23 
                 isopropyl 
                 D23 
                 D23 
               
               
                 291 
                 D24 
                 D24 
                 isopropyl 
                 D24 
                 isopropyl 
               
               
                 292 
                 D24 
                 D24 
                 isopropyl 
                 isopropyl 
                 D24 
               
               
                 293 
                 D24 
                 D24 
                 isopropyl 
                 D24 
                 D24 
               
               
                 294 
                 D25 
                 D25 
                 isopropyl 
                 D25 
                 isopropyl 
               
               
                 295 
                 D25 
                 D25 
                 isopropyl 
                 isopropyl 
                 D25 
               
               
                 296 
                 D25 
                 D25 
                 isopropyl 
                 D25 
                 D25 
               
               
                 297 
                 D26 
                 D26 
                 isopropyl 
                 D26 
                 isopropyl 
               
               
                 298 
                 D26 
                 D26 
                 isopropyl 
                 isopropyl 
                 D26 
               
               
                 299 
                 D26 
                 D26 
                 isopropyl 
                 D26 
                 D26 
               
               
                 300 
                 D27 
                 D27 
                 isopropyl 
                 D27 
                 isopropyl 
               
               
                 301 
                 D27 
                 D27 
                 isopropyl 
                 isopropyl 
                 D27 
               
               
                 302 
                 D27 
                 D27 
                 isopropyl 
                 D27 
                 D27 
               
               
                 303 
                 D28 
                 D28 
                 isopropyl 
                 D28 
                 isopropyl 
               
               
                 304 
                 D28 
                 D28 
                 isopropyl 
                 isopropyl 
                 D28 
               
               
                 305 
                 D28 
                 D28 
                 isopropyl 
                 D28 
                 D28 
               
               
                 306 
                 D29 
                 D29 
                 isopropyl 
                 D29 
                 isopropyl 
               
               
                 307 
                 D29 
                 D29 
                 isopropyl 
                 isopropyl 
                 D29 
               
               
                 308 
                 D29 
                 D29 
                 isopropyl 
                 D29 
                 D29 
               
               
                 309 
                 D30 
                 D30 
                 isopropyl 
                 D30 
                 isopropyl 
               
               
                 310 
                 D30 
                 D30 
                 isopropyl 
                 isopropyl 
                 D30 
               
               
                 311 
                 D30 
                 D30 
                 isopropyl 
                 D30 
                 D30 
               
               
                 312 
                 D31 
                 D31 
                 isopropyl 
                 D31 
                 isopropyl 
               
               
                 313 
                 D31 
                 D31 
                 isopropyl 
                 isopropyl 
                 D31 
               
               
                 314 
                 D31 
                 D31 
                 isopropyl 
                 D31 
                 D31 
               
               
                 315 
                 D32 
                 D32 
                 isopropyl 
                 D32 
                 isopropyl 
               
               
                 316 
                 D32 
                 D32 
                 isopropyl 
                 isopropyl 
                 D32 
               
               
                 317 
                 D32 
                 D32 
                 isopropyl 
                 D32 
                 D32 
               
               
                 318 
                 D33 
                 D33 
                 isopropyl 
                 D33 
                 isopropyl 
               
               
                 319 
                 D33 
                 D33 
                 isopropyl 
                 isopropyl 
                 D33 
               
               
                 320 
                 D33 
                 D33 
                 isopropyl 
                 D33 
                 D33 
               
               
                 321 
                 D34 
                 D34 
                 isopropyl 
                 D34 
                 isopropyl 
               
               
                 322 
                 D34 
                 D34 
                 isopropyl 
                 isopropyl 
                 D34 
               
               
                 323 
                 D34 
                 D34 
                 isopropyl 
                 D34 
                 D34 
               
               
                 324 
                 D35 
                 D35 
                 isopropyl 
                 D35 
                 isopropyl 
               
               
                 325 
                 D35 
                 D35 
                 isopropyl 
                 isopropyl 
                 D35 
               
               
                 326 
                 D35 
                 D35 
                 isopropyl 
                 D35 
                 D35 
               
               
                 327 
                 D36 
                 D36 
                 isopropyl 
                 D36 
                 isopropyl 
               
               
                 328 
                 D36 
                 D36 
                 isopropyl 
                 isopropyl 
                 D36 
               
               
                 329 
                 D36 
                 D36 
                 isopropyl 
                 D36 
                 D36 
               
               
                 330 
                 D37 
                 D37 
                 isopropyl 
                 D37 
                 isopropyl 
               
               
                 331 
                 D37 
                 D37 
                 isopropyl 
                 isopropyl 
                 D37 
               
               
                 332 
                 D37 
                 D37 
                 isopropyl 
                 D37 
                 D37 
               
               
                 333 
                 D1 
                 D1 
                 tBu 
                 D1 
                 tBu 
               
               
                 334 
                 D1 
                 D1 
                 tBu 
                 tBu 
                 D1 
               
               
                 335 
                 D1 
                 D1 
                 tBu 
                 D1 
                 D1 
               
               
                 336 
                 D2 
                 D2 
                 tBu 
                 D2 
                 tBu 
               
               
                 337 
                 D2 
                 D2 
                 tBu 
                 tBu 
                 D2 
               
               
                 338 
                 D2 
                 D2 
                 tBu 
                 D2 
                 D2 
               
               
                 339 
                 D3 
                 D3 
                 tBu 
                 D3 
                 tBu 
               
               
                 340 
                 D3 
                 D3 
                 tBu 
                 tBu 
                 D3 
               
               
                 341 
                 D3 
                 D3 
                 tBu 
                 D3 
                 D3 
               
               
                 342 
                 D4 
                 D4 
                 tBu 
                 D4 
                 tBu 
               
               
                 343 
                 D4 
                 D4 
                 tBu 
                 tBu 
                 D4 
               
               
                 344 
                 D4 
                 D4 
                 tBu 
                 D4 
                 D4 
               
               
                 345 
                 D5 
                 D5 
                 tBu 
                 D5 
                 tBu 
               
               
                 346 
                 D5 
                 D5 
                 tBu 
                 tBu 
                 D5 
               
               
                 347 
                 D5 
                 D5 
                 tBu 
                 D5 
                 D5 
               
               
                 348 
                 D6 
                 D6 
                 tBu 
                 D6 
                 tBu 
               
               
                 349 
                 D6 
                 D6 
                 tBu 
                 tBu 
                 D6 
               
               
                 350 
                 D6 
                 D6 
                 tBu 
                 D6 
                 D6 
               
               
                 351 
                 D7 
                 D7 
                 tBu 
                 D7 
                 tBu 
               
               
                 352 
                 D7 
                 D7 
                 tBu 
                 tBu 
                 D7 
               
               
                 353 
                 D7 
                 D7 
                 tBu 
                 D7 
                 D7 
               
               
                 354 
                 D8 
                 D8 
                 tBu 
                 D8 
                 tBu 
               
               
                 355 
                 D8 
                 D8 
                 tBu 
                 tBu 
                 D8 
               
               
                 356 
                 D8 
                 D8 
                 tBu 
                 D8 
                 D8 
               
               
                 357 
                 D9 
                 D9 
                 tBu 
                 D9 
                 tBu 
               
               
                 358 
                 D9 
                 D9 
                 tBu 
                 tBu 
                 D9 
               
               
                 359 
                 D9 
                 D9 
                 tBu 
                 D9 
                 D9 
               
               
                 360 
                 D10 
                 D10 
                 tBu 
                 D10 
                 tBu 
               
               
                 361 
                 D10 
                 D10 
                 tBu 
                 tBu 
                 D10 
               
               
                 362 
                 D10 
                 D10 
                 tBu 
                 D10 
                 D10 
               
               
                 363 
                 D11 
                 D11 
                 tBu 
                 D11 
                 tBu 
               
               
                 364 
                 D11 
                 D11 
                 tBu 
                 tBu 
                 D11 
               
               
                 365 
                 D11 
                 D11 
                 tBu 
                 D11 
                 D11 
               
               
                 366 
                 D12 
                 D12 
                 tBu 
                 D12 
                 tBu 
               
               
                 367 
                 D12 
                 D12 
                 tBu 
                 tBu 
                 D12 
               
               
                 368 
                 D12 
                 D12 
                 tBu 
                 D12 
                 D12 
               
               
                 369 
                 D13 
                 D13 
                 tBu 
                 D13 
                 tBu 
               
               
                 370 
                 D13 
                 D13 
                 tBu 
                 tBu 
                 D13 
               
               
                 371 
                 D13 
                 D13 
                 tBu 
                 D13 
                 D13 
               
               
                 372 
                 D14 
                 D14 
                 tBu 
                 D14 
                 tBu 
               
               
                 373 
                 D14 
                 D14 
                 tBu 
                 tBu 
                 D14 
               
               
                 374 
                 D14 
                 D14 
                 tBu 
                 D14 
                 D14 
               
               
                 375 
                 D15 
                 D15 
                 tBu 
                 D15 
                 tBu 
               
               
                 376 
                 D15 
                 D15 
                 tBu 
                 tBu 
                 D15 
               
               
                 377 
                 D15 
                 D15 
                 tBu 
                 D15 
                 D15 
               
               
                 378 
                 D16 
                 D16 
                 tBu 
                 D16 
                 tBu 
               
               
                 379 
                 D16 
                 D16 
                 tBu 
                 tBu 
                 D16 
               
               
                 380 
                 D16 
                 D16 
                 tBu 
                 D16 
                 D16 
               
               
                 381 
                 D17 
                 D17 
                 tBu 
                 D17 
                 tBu 
               
               
                 382 
                 D17 
                 D17 
                 tBu 
                 tBu 
                 D17 
               
               
                 383 
                 D17 
                 D17 
                 tBu 
                 D17 
                 D17 
               
               
                 384 
                 D18 
                 D18 
                 tBu 
                 D18 
                 tBu 
               
               
                 385 
                 D18 
                 D18 
                 tBu 
                 tBu 
                 D18 
               
               
                 386 
                 D18 
                 D18 
                 tBu 
                 D18 
                 D18 
               
               
                 387 
                 D19 
                 D19 
                 tBu 
                 D19 
                 tBu 
               
               
                 388 
                 D19 
                 D19 
                 tBu 
                 tBu 
                 D19 
               
               
                 389 
                 D19 
                 D19 
                 tBu 
                 D19 
                 D19 
               
               
                 390 
                 D20 
                 D20 
                 tBu 
                 D20 
                 tBu 
               
               
                 391 
                 D20 
                 D20 
                 tBu 
                 tBu 
                 D20 
               
               
                 392 
                 D20 
                 D20 
                 tBu 
                 D20 
                 D20 
               
               
                 393 
                 D21 
                 D21 
                 tBu 
                 D21 
                 tBu 
               
               
                 394 
                 D21 
                 D21 
                 tBu 
                 tBu 
                 D21 
               
               
                 395 
                 D21 
                 D21 
                 tBu 
                 D21 
                 D21 
               
               
                 396 
                 D22 
                 D22 
                 tBu 
                 D22 
                 tBu 
               
               
                 397 
                 D22 
                 D22 
                 tBu 
                 tBu 
                 D22 
               
               
                 398 
                 D22 
                 D22 
                 tBu 
                 D22 
                 D22 
               
               
                 399 
                 D23 
                 D23 
                 tBu 
                 D23 
                 tBu 
               
               
                 400 
                 D23 
                 D23 
                 tBu 
                 tBu 
                 D23 
               
               
                 401 
                 D23 
                 D23 
                 tBu 
                 D23 
                 D23 
               
               
                 402 
                 D24 
                 D24 
                 tBu 
                 D24 
                 tBu 
               
               
                 403 
                 D24 
                 D24 
                 tBu 
                 tBu 
                 D24 
               
               
                 404 
                 D24 
                 D24 
                 tBu 
                 D24 
                 D24 
               
               
                 405 
                 D25 
                 D25 
                 tBu 
                 D25 
                 tBu 
               
               
                 406 
                 D25 
                 D25 
                 tBu 
                 tBu 
                 D25 
               
               
                 407 
                 D25 
                 D25 
                 tBu 
                 D25 
                 D25 
               
               
                 408 
                 D26 
                 D26 
                 tBu 
                 D26 
                 tBu 
               
               
                 409 
                 D26 
                 D26 
                 tBu 
                 tBu 
                 D26 
               
               
                 410 
                 D26 
                 D26 
                 tBu 
                 D26 
                 D26 
               
               
                 411 
                 D27 
                 D27 
                 tBu 
                 D27 
                 tBu 
               
               
                 412 
                 D27 
                 D27 
                 tBu 
                 tBu 
                 D27 
               
               
                 413 
                 D27 
                 D27 
                 tBu 
                 D27 
                 D27 
               
               
                 414 
                 D28 
                 D28 
                 tBu 
                 D28 
                 tBu 
               
               
                 415 
                 D28 
                 D28 
                 tBu 
                 tBu 
                 D28 
               
               
                 416 
                 D28 
                 D28 
                 tBu 
                 D28 
                 D28 
               
               
                 417 
                 D29 
                 D29 
                 tBu 
                 D29 
                 tBu 
               
               
                 418 
                 D29 
                 D29 
                 tBu 
                 tBu 
                 D29 
               
               
                 419 
                 D29 
                 D29 
                 tBu 
                 D29 
                 D29 
               
               
                 420 
                 D30 
                 D30 
                 tBu 
                 D30 
                 tBu 
               
               
                 421 
                 D30 
                 D30 
                 tBu 
                 tBu 
                 D30 
               
               
                 422 
                 D30 
                 D30 
                 tBu 
                 D30 
                 D30 
               
               
                 423 
                 D31 
                 D31 
                 tBu 
                 D31 
                 tBu 
               
               
                 424 
                 D31 
                 D31 
                 tBu 
                 tBu 
                 D31 
               
               
                 425 
                 D31 
                 D31 
                 tBu 
                 D31 
                 D31 
               
               
                 426 
                 D32 
                 D32 
                 tBu 
                 D32 
                 tBu 
               
               
                 427 
                 D32 
                 D32 
                 tBu 
                 tBu 
                 D32 
               
               
                 428 
                 D32 
                 D32 
                 tBu 
                 D32 
                 D32 
               
               
                 429 
                 D33 
                 D33 
                 tBu 
                 D33 
                 tBu 
               
               
                 430 
                 D33 
                 D33 
                 tBu 
                 tBu 
                 D33 
               
               
                 431 
                 D33 
                 D33 
                 tBu 
                 D33 
                 D33 
               
               
                 432 
                 D34 
                 D34 
                 tBu 
                 D34 
                 tBu 
               
               
                 433 
                 D34 
                 D34 
                 tBu 
                 tBu 
                 D34 
               
               
                 434 
                 D34 
                 D34 
                 tBu 
                 D34 
                 D34 
               
               
                 435 
                 D35 
                 D35 
                 tBu 
                 D35 
                 tBu 
               
               
                 436 
                 D35 
                 D35 
                 tBu 
                 tBu 
                 D35 
               
               
                 437 
                 D35 
                 D35 
                 tBu 
                 D35 
                 D35 
               
               
                 438 
                 D36 
                 D36 
                 tBu 
                 D36 
                 tBu 
               
               
                 439 
                 D36 
                 D36 
                 tBu 
                 tBu 
                 D36 
               
               
                 440 
                 D36 
                 D36 
                 tBu 
                 D36 
                 D36 
               
               
                 441 
                 D37 
                 D37 
                 tBu 
                 D37 
                 tBu 
               
               
                 442 
                 D37 
                 D37 
                 tBu 
                 tBu 
                 D37 
               
               
                 443 
                 D37 
                 D37 
                 tBu 
                 D37 
                 D37 
               
               
                 444 
                 D1 
                 D1 
                 methoxy 
                 D1 
                 methoxy 
               
               
                 445 
                 D1 
                 D1 
                 methoxy 
                 methoxy 
                 D1 
               
               
                 446 
                 D1 
                 D1 
                 methoxy 
                 D1 
                 D1 
               
               
                 447 
                 D2 
                 D2 
                 methoxy 
                 D2 
                 methoxy 
               
               
                 448 
                 D2 
                 D2 
                 methoxy 
                 methoxy 
                 D2 
               
               
                 449 
                 D2 
                 D2 
                 methoxy 
                 D2 
                 D2 
               
               
                 450 
                 D3 
                 D3 
                 methoxy 
                 D3 
                 methoxy 
               
               
                 451 
                 D3 
                 D3 
                 methoxy 
                 methoxy 
                 D3 
               
               
                 452 
                 D3 
                 D3 
                 methoxy 
                 D3 
                 D3 
               
               
                 453 
                 D4 
                 D4 
                 methoxy 
                 D4 
                 methoxy 
               
               
                 454 
                 D4 
                 D4 
                 methoxy 
                 methoxy 
                 D4 
               
               
                 455 
                 D4 
                 D4 
                 methoxy 
                 D4 
                 D4 
               
               
                 456 
                 D5 
                 D5 
                 methoxy 
                 D5 
                 methoxy 
               
               
                 457 
                 D5 
                 D5 
                 methoxy 
                 methoxy 
                 D5 
               
               
                 458 
                 D5 
                 D5 
                 methoxy 
                 D5 
                 D5 
               
               
                 459 
                 D6 
                 D6 
                 methoxy 
                 D6 
                 methoxy 
               
               
                 460 
                 D6 
                 D6 
                 methoxy 
                 methoxy 
                 D6 
               
               
                 461 
                 D6 
                 D6 
                 methoxy 
                 D6 
                 D6 
               
               
                 462 
                 D7 
                 D7 
                 methoxy 
                 D7 
                 methoxy 
               
               
                 463 
                 D7 
                 D7 
                 methoxy 
                 methoxy 
                 D7 
               
               
                 464 
                 D7 
                 D7 
                 methoxy 
                 D7 
                 D7 
               
               
                 465 
                 D8 
                 D8 
                 methoxy 
                 D8 
                 methoxy 
               
               
                 466 
                 D8 
                 D8 
                 methoxy 
                 methoxy 
                 D8 
               
               
                 467 
                 D8 
                 D8 
                 methoxy 
                 D8 
                 D8 
               
               
                 468 
                 D9 
                 D9 
                 methoxy 
                 D9 
                 methoxy 
               
               
                 469 
                 D9 
                 D9 
                 methoxy 
                 methoxy 
                 D9 
               
               
                 470 
                 D9 
                 D9 
                 methoxy 
                 D9 
                 D9 
               
               
                 471 
                 D10 
                 D10 
                 methoxy 
                 D10 
                 methoxy 
               
               
                 472 
                 D10 
                 D10 
                 methoxy 
                 methoxy 
                 D10 
               
               
                 473 
                 D10 
                 D10 
                 methoxy 
                 D10 
                 D10 
               
               
                 474 
                 D11 
                 D11 
                 methoxy 
                 D11 
                 methoxy 
               
               
                 475 
                 D11 
                 D11 
                 methoxy 
                 methoxy 
                 D11 
               
               
                 476 
                 D11 
                 D11 
                 methoxy 
                 D11 
                 D11 
               
               
                 477 
                 D12 
                 D12 
                 methoxy 
                 D12 
                 methoxy 
               
               
                 478 
                 D12 
                 D12 
                 methoxy 
                 methoxy 
                 D12 
               
               
                 479 
                 D12 
                 D12 
                 methoxy 
                 D12 
                 D12 
               
               
                 480 
                 D13 
                 D13 
                 methoxy 
                 D13 
                 methoxy 
               
               
                 481 
                 D13 
                 D13 
                 methoxy 
                 methoxy 
                 D13 
               
               
                 482 
                 D13 
                 D13 
                 methoxy 
                 D13 
                 D13 
               
               
                 483 
                 D14 
                 D14 
                 methoxy 
                 D14 
                 methoxy 
               
               
                 484 
                 D14 
                 D14 
                 methoxy 
                 methoxy 
                 D14 
               
               
                 485 
                 D14 
                 D14 
                 methoxy 
                 D14 
                 D14 
               
               
                 486 
                 D15 
                 D15 
                 methoxy 
                 D15 
                 methoxy 
               
               
                 487 
                 D15 
                 D15 
                 methoxy 
                 methoxy 
                 D15 
               
               
                 488 
                 D15 
                 D15 
                 methoxy 
                 D15 
                 D15 
               
               
                 489 
                 D16 
                 D16 
                 methoxy 
                 D16 
                 methoxy 
               
               
                 490 
                 D16 
                 D16 
                 methoxy 
                 methoxy 
                 D16 
               
               
                 491 
                 D16 
                 D16 
                 methoxy 
                 D16 
                 D16 
               
               
                 492 
                 D17 
                 D17 
                 methoxy 
                 D17 
                 methoxy 
               
               
                 493 
                 D17 
                 D17 
                 methoxy 
                 methoxy 
                 D17 
               
               
                 494 
                 D17 
                 D17 
                 methoxy 
                 D17 
                 D17 
               
               
                 495 
                 D18 
                 D18 
                 methoxy 
                 D18 
                 methoxy 
               
               
                 496 
                 D18 
                 D18 
                 methoxy 
                 methoxy 
                 D18 
               
               
                 497 
                 D18 
                 D18 
                 methoxy 
                 D18 
                 D18 
               
               
                 498 
                 D19 
                 D19 
                 methoxy 
                 D19 
                 methoxy 
               
               
                 499 
                 D19 
                 D19 
                 methoxy 
                 methoxy 
                 D19 
               
               
                 500 
                 D19 
                 D19 
                 methoxy 
                 D19 
                 D19 
               
               
                 501 
                 D20 
                 D20 
                 methoxy 
                 D20 
                 methoxy 
               
               
                 502 
                 D20 
                 D20 
                 methoxy 
                 methoxy 
                 D20 
               
               
                 503 
                 D20 
                 D20 
                 methoxy 
                 D20 
                 D20 
               
               
                 504 
                 D21 
                 D21 
                 methoxy 
                 D21 
                 methoxy 
               
               
                 505 
                 D21 
                 D21 
                 methoxy 
                 methoxy 
                 D21 
               
               
                 506 
                 D21 
                 D21 
                 methoxy 
                 D21 
                 D21 
               
               
                 507 
                 D22 
                 D22 
                 methoxy 
                 D22 
                 methoxy 
               
               
                 508 
                 D22 
                 D22 
                 methoxy 
                 methoxy 
                 D22 
               
               
                 509 
                 D22 
                 D22 
                 methoxy 
                 D22 
                 D22 
               
               
                 510 
                 D23 
                 D23 
                 methoxy 
                 D23 
                 methoxy 
               
               
                 511 
                 D23 
                 D23 
                 methoxy 
                 methoxy 
                 D23 
               
               
                 512 
                 D23 
                 D23 
                 methoxy 
                 D23 
                 D23 
               
               
                 513 
                 D24 
                 D24 
                 methoxy 
                 D24 
                 methoxy 
               
               
                 514 
                 D24 
                 D24 
                 methoxy 
                 methoxy 
                 D24 
               
               
                 515 
                 D24 
                 D24 
                 methoxy 
                 D24 
                 D24 
               
               
                 516 
                 D25 
                 D25 
                 methoxy 
                 D25 
                 methoxy 
               
               
                 517 
                 D25 
                 D25 
                 methoxy 
                 methoxy 
                 D25 
               
               
                 518 
                 D25 
                 D25 
                 methoxy 
                 D25 
                 D25 
               
               
                 519 
                 D26 
                 D26 
                 methoxy 
                 D26 
                 methoxy 
               
               
                 520 
                 D26 
                 D26 
                 methoxy 
                 methoxy 
                 D26 
               
               
                 521 
                 D26 
                 D26 
                 methoxy 
                 D26 
                 D26 
               
               
                 522 
                 D27 
                 D27 
                 methoxy 
                 D27 
                 methoxy 
               
               
                 523 
                 D27 
                 D27 
                 methoxy 
                 methoxy 
                 D27 
               
               
                 524 
                 D27 
                 D27 
                 methoxy 
                 D27 
                 D27 
               
               
                 525 
                 D28 
                 D28 
                 methoxy 
                 D28 
                 methoxy 
               
               
                 526 
                 D28 
                 D28 
                 methoxy 
                 methoxy 
                 D28 
               
               
                 527 
                 D28 
                 D28 
                 methoxy 
                 D28 
                 D28 
               
               
                 528 
                 D29 
                 D29 
                 methoxy 
                 D29 
                 methoxy 
               
               
                 529 
                 D29 
                 D29 
                 methoxy 
                 methoxy 
                 D29 
               
               
                 530 
                 D29 
                 D29 
                 methoxy 
                 D29 
                 D29 
               
               
                 531 
                 D30 
                 D30 
                 methoxy 
                 D30 
                 methoxy 
               
               
                 532 
                 D30 
                 D30 
                 methoxy 
                 methoxy 
                 D30 
               
               
                 533 
                 D30 
                 D30 
                 methoxy 
                 D30 
                 D30 
               
               
                 534 
                 D31 
                 D31 
                 methoxy 
                 D31 
                 methoxy 
               
               
                 535 
                 D31 
                 D31 
                 methoxy 
                 methoxy 
                 D31 
               
               
                 536 
                 D31 
                 D31 
                 methoxy 
                 D31 
                 D31 
               
               
                 537 
                 D32 
                 D32 
                 methoxy 
                 D32 
                 methoxy 
               
               
                 538 
                 D32 
                 D32 
                 methoxy 
                 methoxy 
                 D32 
               
               
                 539 
                 D32 
                 D32 
                 methoxy 
                 D32 
                 D32 
               
               
                 540 
                 D33 
                 D33 
                 methoxy 
                 D33 
                 methoxy 
               
               
                 541 
                 D33 
                 D33 
                 methoxy 
                 methoxy 
                 D33 
               
               
                 542 
                 D33 
                 D33 
                 methoxy 
                 D33 
                 D33 
               
               
                 543 
                 D34 
                 D34 
                 methoxy 
                 D34 
                 methoxy 
               
               
                 544 
                 D34 
                 D34 
                 methoxy 
                 methoxy 
                 D34 
               
               
                 545 
                 D34 
                 D34 
                 methoxy 
                 D34 
                 D34 
               
               
                 546 
                 D35 
                 D35 
                 methoxy 
                 D35 
                 methoxy 
               
               
                 547 
                 D35 
                 D35 
                 methoxy 
                 methoxy 
                 D35 
               
               
                 548 
                 D35 
                 D35 
                 methoxy 
                 D35 
                 D35 
               
               
                 549 
                 D36 
                 D36 
                 methoxy 
                 D36 
                 methoxy 
               
               
                 550 
                 D36 
                 D36 
                 methoxy 
                 methoxy 
                 D36 
               
               
                 551 
                 D36 
                 D36 
                 methoxy 
                 D36 
                 D36 
               
               
                 552 
                 D37 
                 D37 
                 methoxy 
                 D37 
                 methoxy 
               
               
                 553 
                 D37 
                 D37 
                 methoxy 
                 methoxy 
                 D37 
               
               
                 554 
                 D37 
                 D37 
                 methoxy 
                 D37 
                 D37 
               
               
                 555 
                 D1 
                 D1 
                 methyl 
                 H 
                 D1 
               
               
                 556 
                 D2 
                 D2 
                 methyl 
                 H 
                 D2 
               
               
                 557 
                 D3 
                 D3 
                 methyl 
                 H 
                 D3 
               
               
                 558 
                 D4 
                 D4 
                 methyl 
                 H 
                 D4 
               
               
                 559 
                 D5 
                 D5 
                 methyl 
                 H 
                 D5 
               
               
                 560 
                 D6 
                 D6 
                 methyl 
                 H 
                 D6 
               
               
                 561 
                 D7 
                 D7 
                 methyl 
                 H 
                 D7 
               
               
                 562 
                 D8 
                 D8 
                 methyl 
                 H 
                 D8 
               
               
                 563 
                 D9 
                 D9 
                 methyl 
                 H 
                 D9 
               
               
                 564 
                 D10 
                 D10 
                 methyl 
                 H 
                 D10 
               
               
                 565 
                 D11 
                 D11 
                 methyl 
                 H 
                 D11 
               
               
                 566 
                 D12 
                 D12 
                 methyl 
                 H 
                 D12 
               
               
                 567 
                 D13 
                 D13 
                 methyl 
                 H 
                 D13 
               
               
                 568 
                 D14 
                 D14 
                 methyl 
                 H 
                 D14 
               
               
                 569 
                 D15 
                 D15 
                 methyl 
                 H 
                 D15 
               
               
                 570 
                 D16 
                 D16 
                 methyl 
                 H 
                 D16 
               
               
                 571 
                 D17 
                 D17 
                 methyl 
                 H 
                 D17 
               
               
                 572 
                 D18 
                 D18 
                 methyl 
                 H 
                 D18 
               
               
                 573 
                 D19 
                 D19 
                 methyl 
                 H 
                 D19 
               
               
                 574 
                 D20 
                 D20 
                 methyl 
                 H 
                 D20 
               
               
                 575 
                 D21 
                 D21 
                 methyl 
                 H 
                 D21 
               
               
                 576 
                 D22 
                 D22 
                 methyl 
                 H 
                 D22 
               
               
                 577 
                 D23 
                 D23 
                 methyl 
                 H 
                 D23 
               
               
                 578 
                 D24 
                 D24 
                 methyl 
                 H 
                 D24 
               
               
                 579 
                 D25 
                 D25 
                 methyl 
                 H 
                 D25 
               
               
                 580 
                 D26 
                 D26 
                 methyl 
                 H 
                 D26 
               
               
                 581 
                 D27 
                 D27 
                 methyl 
                 H 
                 D27 
               
               
                 582 
                 D28 
                 D28 
                 methyl 
                 H 
                 D28 
               
               
                 583 
                 D29 
                 D29 
                 methyl 
                 H 
                 D29 
               
               
                 584 
                 D30 
                 D30 
                 methyl 
                 H 
                 D30 
               
               
                 585 
                 D31 
                 D31 
                 methyl 
                 H 
                 D31 
               
               
                 586 
                 D32 
                 D32 
                 methyl 
                 H 
                 D32 
               
               
                 587 
                 D33 
                 D33 
                 methyl 
                 H 
                 D33 
               
               
                 588 
                 D34 
                 D34 
                 methyl 
                 H 
                 D34 
               
               
                 589 
                 D35 
                 D35 
                 methyl 
                 H 
                 D35 
               
               
                 590 
                 D36 
                 D36 
                 methyl 
                 H 
                 D36 
               
               
                 591 
                 D37 
                 D37 
                 methyl 
                 H 
                 D37 
               
               
                 592 
                 D1 
                 D1 
                 H 
                 methyl 
                 D1 
               
               
                 593 
                 D2 
                 D2 
                 H 
                 methyl 
                 D2 
               
               
                 594 
                 D3 
                 D3 
                 H 
                 methyl 
                 D3 
               
               
                 595 
                 D4 
                 D4 
                 H 
                 methyl 
                 D4 
               
               
                 596 
                 D5 
                 D5 
                 H 
                 methyl 
                 D5 
               
               
                 597 
                 D6 
                 D6 
                 H 
                 methyl 
                 D6 
               
               
                 598 
                 D7 
                 D7 
                 H 
                 methyl 
                 D7 
               
               
                 599 
                 D8 
                 D8 
                 H 
                 methyl 
                 D8 
               
               
                 600 
                 D9 
                 D9 
                 H 
                 methyl 
                 D9 
               
               
                 601 
                 D10 
                 D10 
                 H 
                 methyl 
                 D10 
               
               
                 602 
                 D11 
                 D11 
                 H 
                 methyl 
                 D11 
               
               
                 603 
                 D12 
                 D12 
                 H 
                 methyl 
                 D12 
               
               
                 604 
                 D13 
                 D13 
                 H 
                 methyl 
                 D13 
               
               
                 605 
                 D14 
                 D14 
                 H 
                 methyl 
                 D14 
               
               
                 606 
                 D15 
                 D15 
                 H 
                 methyl 
                 D15 
               
               
                 607 
                 D16 
                 D16 
                 H 
                 methyl 
                 D16 
               
               
                 608 
                 D17 
                 D17 
                 H 
                 methyl 
                 D17 
               
               
                 609 
                 D18 
                 D18 
                 H 
                 methyl 
                 D18 
               
               
                 610 
                 D19 
                 D19 
                 H 
                 methyl 
                 D19 
               
               
                 611 
                 D20 
                 D20 
                 H 
                 methyl 
                 D20 
               
               
                 612 
                 D21 
                 D21 
                 H 
                 methyl 
                 D21 
               
               
                 613 
                 D22 
                 D22 
                 H 
                 methyl 
                 D22 
               
               
                 614 
                 D23 
                 D23 
                 H 
                 methyl 
                 D23 
               
               
                 615 
                 D24 
                 D24 
                 H 
                 methyl 
                 D24 
               
               
                 616 
                 D25 
                 D25 
                 H 
                 methyl 
                 D25 
               
               
                 617 
                 D26 
                 D26 
                 H 
                 methyl 
                 D26 
               
               
                 618 
                 D27 
                 D27 
                 H 
                 methyl 
                 D27 
               
               
                 619 
                 D28 
                 D28 
                 H 
                 methyl 
                 D28 
               
               
                 620 
                 D29 
                 D29 
                 H 
                 methyl 
                 D29 
               
               
                 621 
                 D30 
                 D30 
                 H 
                 methyl 
                 D30 
               
               
                 622 
                 D31 
                 D31 
                 H 
                 methyl 
                 D31 
               
               
                 623 
                 D32 
                 D32 
                 H 
                 methyl 
                 D32 
               
               
                 624 
                 D33 
                 D33 
                 H 
                 methyl 
                 D33 
               
               
                 625 
                 D34 
                 D34 
                 H 
                 methyl 
                 D34 
               
               
                 626 
                 D35 
                 D35 
                 H 
                 methyl 
                 D35 
               
               
                 627 
                 D36 
                 D36 
                 H 
                 methyl 
                 D36 
               
               
                 628 
                 D37 
                 D37 
                 H 
                 methyl 
                 D37 
               
               
                 629 
                 D1 
                 D1 
                 H 
                 D1 
                 methyl 
               
               
                 630 
                 D2 
                 D2 
                 H 
                 D2 
                 methyl 
               
               
                 631 
                 D3 
                 D3 
                 H 
                 D3 
                 methyl 
               
               
                 632 
                 D4 
                 D4 
                 H 
                 D4 
                 methyl 
               
               
                 633 
                 D5 
                 D5 
                 H 
                 D5 
                 methyl 
               
               
                 634 
                 D6 
                 D6 
                 H 
                 D6 
                 methyl 
               
               
                 635 
                 D7 
                 D7 
                 H 
                 D7 
                 methyl 
               
               
                 636 
                 D8 
                 D8 
                 H 
                 D8 
                 methyl 
               
               
                 637 
                 D9 
                 D9 
                 H 
                 D9 
                 methyl 
               
               
                 638 
                 D10 
                 D10 
                 H 
                 D10 
                 methyl 
               
               
                 639 
                 D11 
                 D11 
                 H 
                 D11 
                 methyl 
               
               
                 640 
                 D12 
                 D12 
                 H 
                 D12 
                 methyl 
               
               
                 641 
                 D13 
                 D13 
                 H 
                 D13 
                 methyl 
               
               
                 642 
                 D14 
                 D14 
                 H 
                 D14 
                 methyl 
               
               
                 643 
                 D15 
                 D15 
                 H 
                 D15 
                 methyl 
               
               
                 644 
                 D16 
                 D16 
                 H 
                 D16 
                 methyl 
               
               
                 645 
                 D17 
                 D17 
                 H 
                 D17 
                 methyl 
               
               
                 646 
                 D18 
                 D18 
                 H 
                 D18 
                 methyl 
               
               
                 647 
                 D19 
                 D19 
                 H 
                 D19 
                 methyl 
               
               
                 648 
                 D20 
                 D20 
                 H 
                 D20 
                 methyl 
               
               
                 649 
                 D21 
                 D21 
                 H 
                 D21 
                 methyl 
               
               
                 650 
                 D22 
                 D22 
                 H 
                 D22 
                 methyl 
               
               
                 651 
                 D23 
                 D23 
                 H 
                 D23 
                 methyl 
               
               
                 652 
                 D24 
                 D24 
                 H 
                 D24 
                 methyl 
               
               
                 653 
                 D25 
                 D25 
                 H 
                 D25 
                 methyl 
               
               
                 654 
                 D26 
                 D26 
                 H 
                 D26 
                 methyl 
               
               
                 655 
                 D27 
                 D27 
                 H 
                 D27 
                 methyl 
               
               
                 656 
                 D28 
                 D28 
                 H 
                 D28 
                 methyl 
               
               
                 657 
                 D29 
                 D29 
                 H 
                 D29 
                 methyl 
               
               
                 658 
                 D30 
                 D30 
                 H 
                 D30 
                 methyl 
               
               
                 659 
                 D31 
                 D31 
                 H 
                 D31 
                 methyl 
               
               
                 660 
                 D32 
                 D32 
                 H 
                 D32 
                 methyl 
               
               
                 661 
                 D33 
                 D33 
                 H 
                 D33 
                 methyl 
               
               
                 662 
                 D34 
                 D34 
                 H 
                 D34 
                 methyl 
               
               
                 663 
                 D35 
                 D35 
                 H 
                 D35 
                 methyl 
               
               
                 664 
                 D36 
                 D36 
                 H 
                 D36 
                 methyl 
               
               
                 665 
                 D37 
                 D37 
                 H 
                 D37 
                 methyl 
               
               
                 666 
                 D1 
                 D1 
                 methoxy 
                 H 
                 D1 
               
               
                 667 
                 D2 
                 D2 
                 methoxy 
                 H 
                 D2 
               
               
                 668 
                 D3 
                 D3 
                 methoxy 
                 H 
                 D3 
               
               
                 669 
                 D4 
                 D4 
                 methoxy 
                 H 
                 D4 
               
               
                 670 
                 D5 
                 D5 
                 methoxy 
                 H 
                 D5 
               
               
                 671 
                 D6 
                 D6 
                 methoxy 
                 H 
                 D6 
               
               
                 672 
                 D7 
                 D7 
                 methoxy 
                 H 
                 D7 
               
               
                 673 
                 D8 
                 D8 
                 methoxy 
                 H 
                 D8 
               
               
                 674 
                 D9 
                 D9 
                 methoxy 
                 H 
                 D9 
               
               
                 675 
                 D10 
                 D10 
                 methoxy 
                 H 
                 D10 
               
               
                 676 
                 D11 
                 D11 
                 methoxy 
                 H 
                 D11 
               
               
                 677 
                 D12 
                 D12 
                 methoxy 
                 H 
                 D12 
               
               
                 678 
                 D13 
                 D13 
                 methoxy 
                 H 
                 D13 
               
               
                 679 
                 D14 
                 D14 
                 methoxy 
                 H 
                 D14 
               
               
                 680 
                 D15 
                 D15 
                 methoxy 
                 H 
                 D15 
               
               
                 681 
                 D16 
                 D16 
                 methoxy 
                 H 
                 D16 
               
               
                 682 
                 D17 
                 D17 
                 methoxy 
                 H 
                 D17 
               
               
                 683 
                 D18 
                 D18 
                 methoxy 
                 H 
                 D18 
               
               
                 684 
                 D19 
                 D19 
                 methoxy 
                 H 
                 D19 
               
               
                 685 
                 D20 
                 D20 
                 methoxy 
                 H 
                 D20 
               
               
                 686 
                 D21 
                 D21 
                 methoxy 
                 H 
                 D21 
               
               
                 687 
                 D22 
                 D22 
                 methoxy 
                 H 
                 D22 
               
               
                 688 
                 D23 
                 D23 
                 methoxy 
                 H 
                 D23 
               
               
                 689 
                 D24 
                 D24 
                 methoxy 
                 H 
                 D24 
               
               
                 690 
                 D25 
                 D25 
                 methoxy 
                 H 
                 D25 
               
               
                 691 
                 D26 
                 D26 
                 methoxy 
                 H 
                 D26 
               
               
                 692 
                 D27 
                 D27 
                 methoxy 
                 H 
                 D27 
               
               
                 693 
                 D28 
                 D28 
                 methoxy 
                 H 
                 D28 
               
               
                 694 
                 D29 
                 D29 
                 methoxy 
                 H 
                 D29 
               
               
                 695 
                 D30 
                 D30 
                 methoxy 
                 H 
                 D30 
               
               
                 696 
                 D31 
                 D31 
                 methoxy 
                 H 
                 D31 
               
               
                 697 
                 D32 
                 D32 
                 methoxy 
                 H 
                 D32 
               
               
                 698 
                 D33 
                 D33 
                 methoxy 
                 H 
                 D33 
               
               
                 699 
                 D34 
                 D34 
                 methoxy 
                 H 
                 D34 
               
               
                 700 
                 D35 
                 D35 
                 methoxy 
                 H 
                 D35 
               
               
                 701 
                 D36 
                 D36 
                 methoxy 
                 H 
                 D36 
               
               
                 702 
                 D37 
                 D37 
                 methoxy 
                 H 
                 D37 
               
               
                 703 
                 D1 
                 D1 
                 H 
                 methoxy 
                 D1 
               
               
                 704 
                 D2 
                 D2 
                 H 
                 methoxy 
                 D2 
               
               
                 705 
                 D3 
                 D3 
                 H 
                 methoxy 
                 D3 
               
               
                 706 
                 D4 
                 D4 
                 H 
                 methoxy 
                 D4 
               
               
                 707 
                 D5 
                 D5 
                 H 
                 methoxy 
                 D5 
               
               
                 708 
                 D6 
                 D6 
                 H 
                 methoxy 
                 D6 
               
               
                 709 
                 D7 
                 D7 
                 H 
                 methoxy 
                 D7 
               
               
                 710 
                 D8 
                 D8 
                 H 
                 methoxy 
                 D8 
               
               
                 711 
                 D9 
                 D9 
                 H 
                 methoxy 
                 D9 
               
               
                 712 
                 D10 
                 D10 
                 H 
                 methoxy 
                 D10 
               
               
                 713 
                 D11 
                 D11 
                 H 
                 methoxy 
                 D11 
               
               
                 714 
                 D12 
                 D12 
                 H 
                 methoxy 
                 D12 
               
               
                 715 
                 D13 
                 D13 
                 H 
                 methoxy 
                 D13 
               
               
                 716 
                 D14 
                 D14 
                 H 
                 methoxy 
                 D14 
               
               
                 717 
                 D15 
                 D15 
                 H 
                 methoxy 
                 D15 
               
               
                 718 
                 D16 
                 D16 
                 H 
                 methoxy 
                 D16 
               
               
                 719 
                 D17 
                 D17 
                 H 
                 methoxy 
                 D17 
               
               
                 720 
                 D18 
                 D18 
                 H 
                 methoxy 
                 D18 
               
               
                 721 
                 D19 
                 D19 
                 H 
                 methoxy 
                 D19 
               
               
                 722 
                 D20 
                 D20 
                 H 
                 methoxy 
                 D20 
               
               
                 723 
                 D21 
                 D21 
                 H 
                 methoxy 
                 D21 
               
               
                 724 
                 D22 
                 D22 
                 H 
                 methoxy 
                 D22 
               
               
                 725 
                 D23 
                 D23 
                 H 
                 methoxy 
                 D23 
               
               
                 726 
                 D24 
                 D24 
                 H 
                 methoxy 
                 D24 
               
               
                 727 
                 D25 
                 D25 
                 H 
                 methoxy 
                 D25 
               
               
                 728 
                 D26 
                 D26 
                 H 
                 methoxy 
                 D26 
               
               
                 729 
                 D27 
                 D27 
                 H 
                 methoxy 
                 D27 
               
               
                 730 
                 D28 
                 D28 
                 H 
                 methoxy 
                 D28 
               
               
                 731 
                 D29 
                 D29 
                 H 
                 methoxy 
                 D29 
               
               
                 732 
                 D30 
                 D30 
                 H 
                 methoxy 
                 D30 
               
               
                 733 
                 D31 
                 D31 
                 H 
                 methoxy 
                 D31 
               
               
                 734 
                 D32 
                 D32 
                 H 
                 methoxy 
                 D32 
               
               
                 735 
                 D33 
                 D33 
                 H 
                 methoxy 
                 D33 
               
               
                 736 
                 D34 
                 D34 
                 H 
                 methoxy 
                 D34 
               
               
                 737 
                 D35 
                 D35 
                 H 
                 methoxy 
                 D35 
               
               
                 738 
                 D36 
                 D36 
                 H 
                 methoxy 
                 D36 
               
               
                 739 
                 D37 
                 D37 
                 H 
                 methoxy 
                 D37 
               
               
                 740 
                 D1 
                 D1 
                 H 
                 D1 
                 methoxy 
               
               
                 741 
                 D2 
                 D2 
                 H 
                 D2 
                 methoxy 
               
               
                 742 
                 D3 
                 D3 
                 H 
                 D3 
                 methoxy 
               
               
                 743 
                 D4 
                 D4 
                 H 
                 D4 
                 methoxy 
               
               
                 744 
                 D5 
                 D5 
                 H 
                 D5 
                 methoxy 
               
               
                 745 
                 D6 
                 D6 
                 H 
                 D6 
                 methoxy 
               
               
                 746 
                 D7 
                 D7 
                 H 
                 D7 
                 methoxy 
               
               
                 747 
                 D8 
                 D8 
                 H 
                 D8 
                 methoxy 
               
               
                 748 
                 D9 
                 D9 
                 H 
                 D9 
                 methoxy 
               
               
                 749 
                 D10 
                 D10 
                 H 
                 D10 
                 methoxy 
               
               
                 750 
                 D11 
                 D11 
                 H 
                 D11 
                 methoxy 
               
               
                 751 
                 D12 
                 D12 
                 H 
                 D12 
                 methoxy 
               
               
                 752 
                 D13 
                 D13 
                 H 
                 D13 
                 methoxy 
               
               
                 753 
                 D14 
                 D14 
                 H 
                 D14 
                 methoxy 
               
               
                 754 
                 D15 
                 D15 
                 H 
                 D15 
                 methoxy 
               
               
                 755 
                 D16 
                 D16 
                 H 
                 D16 
                 methoxy 
               
               
                 756 
                 D17 
                 D17 
                 H 
                 D17 
                 methoxy 
               
               
                 757 
                 D18 
                 D18 
                 H 
                 D18 
                 methoxy 
               
               
                 758 
                 D19 
                 D19 
                 H 
                 D19 
                 methoxy 
               
               
                 759 
                 D20 
                 D20 
                 H 
                 D20 
                 methoxy 
               
               
                 760 
                 D21 
                 D21 
                 H 
                 D21 
                 methoxy 
               
               
                 761 
                 D22 
                 D22 
                 H 
                 D22 
                 methoxy 
               
               
                 762 
                 D23 
                 D23 
                 H 
                 D23 
                 methoxy 
               
               
                 763 
                 D24 
                 D24 
                 H 
                 D24 
                 methoxy 
               
               
                 764 
                 D25 
                 D25 
                 H 
                 D25 
                 methoxy 
               
               
                 765 
                 D26 
                 D26 
                 H 
                 D26 
                 methoxy 
               
               
                 766 
                 D27 
                 D27 
                 H 
                 D27 
                 methoxy 
               
               
                 767 
                 D28 
                 D28 
                 H 
                 D28 
                 methoxy 
               
               
                 768 
                 D29 
                 D29 
                 H 
                 D29 
                 methoxy 
               
               
                 769 
                 D30 
                 D30 
                 H 
                 D30 
                 methoxy 
               
               
                 770 
                 D31 
                 D31 
                 H 
                 D31 
                 methoxy 
               
               
                 771 
                 D32 
                 D32 
                 H 
                 D32 
                 methoxy 
               
               
                 772 
                 D33 
                 D33 
                 H 
                 D33 
                 methoxy 
               
               
                 773 
                 D34 
                 D34 
                 H 
                 D34 
                 methoxy 
               
               
                 774 
                 D35 
                 D35 
                 H 
                 D35 
                 methoxy 
               
               
                 775 
                 D36 
                 D36 
                 H 
                 D36 
                 methoxy 
               
               
                 776 
                 D37 
                 D37 
                 H 
                 D37 
                 methoxy 
               
               
                 777 
                 D1 
                 D1 
                 morpholine 
                 D1 
                 D1 
               
               
                 778 
                 D2 
                 D2 
                 morpholine 
                 D2 
                 D2 
               
               
                 779 
                 D3 
                 D3 
                 morpholine 
                 D3 
                 D3 
               
               
                 780 
                 D4 
                 D4 
                 morpholine 
                 D4 
                 D4 
               
               
                 781 
                 D5 
                 D5 
                 morpholine 
                 D5 
                 D5 
               
               
                 782 
                 D6 
                 D6 
                 morpholine 
                 D6 
                 D6 
               
               
                 783 
                 D7 
                 D7 
                 morpholine 
                 D7 
                 D7 
               
               
                 784 
                 D8 
                 D8 
                 morpholine 
                 D8 
                 D8 
               
               
                 785 
                 D9 
                 D9 
                 morpholine 
                 D9 
                 D9 
               
               
                 786 
                 D10 
                 D10 
                 morpholine 
                 D10 
                 D10 
               
               
                 787 
                 D11 
                 D11 
                 morpholine 
                 D11 
                 D11 
               
               
                 788 
                 D12 
                 D12 
                 morpholine 
                 D12 
                 D12 
               
               
                 789 
                 D13 
                 D13 
                 morpholine 
                 D13 
                 D13 
               
               
                 790 
                 D14 
                 D14 
                 morpholine 
                 D14 
                 D14 
               
               
                 791 
                 D15 
                 D15 
                 morpholine 
                 D15 
                 D15 
               
               
                 792 
                 D16 
                 D16 
                 morpholine 
                 D16 
                 D16 
               
               
                 793 
                 D17 
                 D17 
                 morpholine 
                 D17 
                 D17 
               
               
                 794 
                 D18 
                 D18 
                 morpholine 
                 D18 
                 D18 
               
               
                 795 
                 D19 
                 D19 
                 morpholine 
                 D19 
                 D19 
               
               
                 796 
                 D20 
                 D20 
                 morpholine 
                 D20 
                 D20 
               
               
                 797 
                 D21 
                 D21 
                 morpholine 
                 D21 
                 D21 
               
               
                 798 
                 D22 
                 D22 
                 morpholine 
                 D22 
                 D22 
               
               
                 799 
                 D23 
                 D23 
                 morpholine 
                 D23 
                 D23 
               
               
                 800 
                 D24 
                 D24 
                 morpholine 
                 D24 
                 D24 
               
               
                 801 
                 D25 
                 D25 
                 morpholine 
                 D25 
                 D25 
               
               
                 802 
                 D26 
                 D26 
                 morpholine 
                 D26 
                 D26 
               
               
                 803 
                 D27 
                 D27 
                 morpholine 
                 D27 
                 D27 
               
               
                 804 
                 D28 
                 D28 
                 morpholine 
                 D28 
                 D28 
               
               
                 805 
                 D29 
                 D29 
                 morpholine 
                 D29 
                 D29 
               
               
                 806 
                 D30 
                 D30 
                 morpholine 
                 D30 
                 D30 
               
               
                 807 
                 D31 
                 D31 
                 morpholine 
                 D31 
                 D31 
               
               
                 808 
                 D32 
                 D32 
                 morpholine 
                 D32 
                 D32 
               
               
                 809 
                 D33 
                 D33 
                 morpholine 
                 D33 
                 D33 
               
               
                 810 
                 D34 
                 D34 
                 morpholine 
                 D34 
                 D34 
               
               
                 811 
                 D35 
                 D35 
                 morpholine 
                 D35 
                 D35 
               
               
                 812 
                 D36 
                 D36 
                 morpholine 
                 D36 
                 D36 
               
               
                 813 
                 D37 
                 D37 
                 morpholine 
                 D37 
                 D37 
               
               
                 814 
                 D38 
                 D38 
                 H 
                 D38 
                 H 
               
               
                 815 
                 D38 
                 D38 
                 H 
                 H 
                 D38 
               
               
                 816 
                 D38 
                 D38 
                 H 
                 D38 
                 D38 
               
               
                 817 
                 D38 
                 D38 
                 methyl 
                 D38 
                 methyl 
               
               
                 818 
                 D38 
                 D38 
                 methyl 
                 methyl 
                 D38 
               
               
                 819 
                 D38 
                 D38 
                 methyl 
                 D38 
                 D38 
               
               
                 820 
                 D38 
                 D38 
                 isopropyl 
                 D38 
                 isopropyl 
               
               
                 821 
                 D38 
                 D38 
                 isopropyl 
                 isopropyl 
                 D38 
               
               
                 822 
                 D38 
                 D38 
                 isopropyl 
                 D38 
                 D38 
               
               
                 823 
                 D38 
                 D38 
                 tBu 
                 D38 
                 tBu 
               
               
                 824 
                 D38 
                 D38 
                 tBu 
                 tBu 
                 D38 
               
               
                 825 
                 D38 
                 D38 
                 tBu 
                 D38 
                 D38 
               
               
                 826 
                 D38 
                 D38 
                 methoxy 
                 D38 
                 methoxy 
               
               
                 827 
                 D38 
                 D38 
                 methoxy 
                 methoxy 
                 D38 
               
               
                 828 
                 D38 
                 D38 
                 methoxy 
                 D38 
                 D38 
               
               
                 829 
                 D38 
                 D38 
                 methyl 
                 H 
                 D38 
               
               
                 830 
                 D38 
                 D38 
                 H 
                 methyl 
                 D38 
               
               
                 831 
                 D38 
                 D38 
                 H 
                 D38 
                 methyl 
               
               
                 832 
                 D38 
                 D38 
                 methoxy 
                 H 
                 D38 
               
               
                 833 
                 D38 
                 D38 
                 H 
                 methoxy 
                 D38 
               
               
                 834 
                 D38 
                 D38 
                 H 
                 D38 
                 methoxy 
               
               
                 835 
                 D38 
                 D38 
                 morpholine 
                 D38 
                 D38 
               
               
                 836 
                 D39 
                 D39 
                 H 
                 D39 
                 H 
               
               
                 837 
                 D39 
                 D39 
                 H 
                 H 
                 D39 
               
               
                 838 
                 D39 
                 D39 
                 H 
                 D39 
                 D39 
               
               
                 839 
                 D39 
                 D39 
                 methyl 
                 D39 
                 methyl 
               
               
                 840 
                 D39 
                 D39 
                 methyl 
                 methyl 
                 D39 
               
               
                 841 
                 D39 
                 D39 
                 methyl 
                 D39 
                 D39 
               
               
                 842 
                 D39 
                 D39 
                 isopropyl 
                 D39 
                 isopropyl 
               
               
                 843 
                 D39 
                 D39 
                 isopropyl 
                 isopropyl 
                 D39 
               
               
                 844 
                 D39 
                 D39 
                 isopropyl 
                 D39 
                 D39 
               
               
                 845 
                 D39 
                 D39 
                 tBu 
                 D39 
                 tBu 
               
               
                 846 
                 D39 
                 D39 
                 tBu 
                 tBu 
                 D39 
               
               
                 847 
                 D39 
                 D39 
                 tBu 
                 D39 
                 D39 
               
               
                 848 
                 D39 
                 D39 
                 methoxy 
                 D39 
                 methoxy 
               
               
                 849 
                 D39 
                 D39 
                 methoxy 
                 methoxy 
                 D39 
               
               
                 850 
                 D39 
                 D39 
                 methoxy 
                 D39 
                 D39 
               
               
                 851 
                 D39 
                 D39 
                 methyl 
                 H 
                 D39 
               
               
                 852 
                 D39 
                 D39 
                 H 
                 methyl 
                 D39 
               
               
                 853 
                 D39 
                 D39 
                 H 
                 D39 
                 methyl 
               
               
                 854 
                 D39 
                 D39 
                 methoxy 
                 H 
                 D39 
               
               
                 855 
                 D39 
                 D39 
                 H 
                 methoxy 
                 D39 
               
               
                 856 
                 D39 
                 D39 
                 H 
                 D39 
                 methoxy 
               
               
                 857 
                 D39 
                 D39 
                 morpholine 
                 D39 
                 D39 
               
               
                 858 
                 D40 
                 D40 
                 H 
                 D40 
                 H 
               
               
                 859 
                 D40 
                 D40 
                 H 
                 H 
                 D40 
               
               
                 860 
                 D40 
                 D40 
                 H 
                 D40 
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                 861 
                 D40 
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                 D40 
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                 862 
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                 D40 
               
               
                 863 
                 D40 
                 D40 
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                 D40 
                 D40 
               
               
                 864 
                 D40 
                 D40 
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                 D40 
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                 865 
                 D40 
                 D40 
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                 isopropyl 
                 D40 
               
               
                 866 
                 D40 
                 D40 
                 isopropyl 
                 D40 
                 D40 
               
               
                 867 
                 D40 
                 D40 
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                 D40 
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                 868 
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                 D40 
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                 D40 
               
               
                 869 
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                 D40 
                 D40 
               
               
                 870 
                 D40 
                 D40 
                 methoxy 
                 D40 
                 methoxy 
               
               
                 871 
                 D40 
                 D40 
                 methoxy 
                 methoxy 
                 D40 
               
               
                 872 
                 D40 
                 D40 
                 methoxy 
                 D40 
                 D40 
               
               
                 873 
                 D40 
                 D40 
                 methyl 
                 H 
                 D40 
               
               
                 874 
                 D40 
                 D40 
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                 methyl 
                 D40 
               
               
                 875 
                 D40 
                 D40 
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                 D40 
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                 876 
                 D40 
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                 D40 
               
               
                 877 
                 D40 
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                 methoxy 
                 D40 
               
               
                 878 
                 D40 
                 D40 
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                 D40 
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                 879 
                 D40 
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                 morpholine 
                 D40 
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                 880 
                 D41 
                 D41 
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                 D41 
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                 881 
                 D41 
                 D41 
                 H 
                 H 
                 D41 
               
               
                 882 
                 D41 
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                 D41 
                 D41 
               
               
                 883 
                 D41 
                 D41 
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                 D41 
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                 884 
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                 D41 
               
               
                 885 
                 D41 
                 D41 
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                 D41 
                 D41 
               
               
                 886 
                 D41 
                 D41 
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                 D41 
                 isopropyl 
               
               
                 887 
                 D41 
                 D41 
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                 isopropyl 
                 D41 
               
               
                 888 
                 D41 
                 D41 
                 isopropyl 
                 D41 
                 D41 
               
               
                 889 
                 D41 
                 D41 
                 tBu 
                 D41 
                 tBu 
               
               
                 890 
                 D41 
                 D41 
                 tBu 
                 tBu 
                 D41 
               
               
                 891 
                 D41 
                 D41 
                 tBu 
                 D41 
                 D41 
               
               
                 892 
                 D41 
                 D41 
                 methoxy 
                 D41 
                 methoxy 
               
               
                 893 
                 D41 
                 D41 
                 methoxy 
                 methoxy 
                 D41 
               
               
                 894 
                 D41 
                 D41 
                 methoxy 
                 D41 
                 D41 
               
               
                 895 
                 D41 
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                 H 
                 D41 
               
               
                 896 
                 D41 
                 D41 
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                 D41 
               
               
                 897 
                 D41 
                 D41 
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                 D41 
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                 898 
                 D41 
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                 D41 
               
               
                 899 
                 D41 
                 D41 
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                 D41 
               
               
                 900 
                 D41 
                 D41 
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                 D41 
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                 901 
                 D41 
                 D41 
                 morpholine 
                 D41 
                 D41 
               
               
                   
               
            
           
         
       
     
     The molecular weight of the compound represented by the general formula (1) is preferably 1,500 or less, more preferably 1,200 or less, further preferably 1,000 or less, and still further preferably 800 or less, for example, in the case where an organic layer containing the compound represented by the general formula (1) is intended to be formed as a film by a vapor deposition method. The lower limit of the molecular weight is the molecular weight of the smallest compound represented by the general formula (1). 
     The compound represented by the general formula (1) may be formed into a film by a coating method irrespective of the molecular weight thereof. The compound that has a relatively large molecular weight may be formed into a film by a coating method. 
     Synthesis Method of Compound Represented by General Formula (1) 
     The compound represented by the general formula (1) is a novel compound. 
     The compound represented by the general formula (1) may be synthesized by combining the known reactions. For example, the compound represented by the general formula (1), wherein R 1 , R 2 , R 4 , and R 5  each represent a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, or a substituted or unsubstituted 10-phenothiazyl group may be synthesized by reacting the cyanobenzene derivative with the heteroaromatic compound shown below. 
     
       
         
         
             
             
         
       
     
     For the description of R 3  in the aforementioned reaction scheme, reference may be made to the corresponding description in the general formula (1). R 11  to R 14  and R 17  to R 20  each independently represent a hydrogen atom or a substituent. L represents a single bond, an oxygen atom, or a sulfur atom. X represents a halogen atom, examples of which include a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom, and a fluorine atom, a bromine atom, and an iodine atom are preferred. 
     The aforementioned reaction is an application of the known coupling reaction, and the known reaction conditions may be appropriately selected and used. For the details of the reaction, reference may be made to Synthesis Examples described later. The compound represented by the general formula (1) may be synthesized by combining the other known synthesis reactions. 
     Delayed Fluorescent Material 
     The delayed fluorescent material of the invention has a structure represented by the following general formula (1′): 
     
       
         
         
             
             
         
       
     
     In the general formula (1′), three or more of R 1′ , R 2′ , R 4′ , and R 5′  each independently represent a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, or a substituted or unsubstituted 10-phenothiazyl group. The balance thereof represents a hydrogen atom or a substituent, provided that the substituent excludes a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, a substituted or unsubstituted 10-phenothiazyl group, or a cyano group. One or more of carbon atom constituting ring skeletons of the substituted or unsubstituted 9-carbazolyl group, the substituted or unsubstituted 10-phenoxazyl group, and the substituted or unsubstituted 10-phenothiazyl group may be replaced by a nitrogen atom. R 3′  represents a hydrogen atom or a substituent, provided that the substituent excludes a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, a substituted or unsubstituted 10-phenothiazyl group, or a cyano group. 
     For the description, the preferred ranges, and the specific examples of R 1′  to R 5′ , reference may be made to the description, the preferred ranges, and the specific examples of R 1  to R 5  in the compound represented by the general formula (1), provided that examples of the substituent capable of being represented by R 3′  include, in addition to the substituent capable of being represented by R 3 , a substituted or unsubstituted aryl group having from 6 to 40 carbon atoms, a substituted or unsubstituted heteroaryl group having from 3 to 40 carbon atoms (that excludes a substituted or unsubstituted 9-carbazolyl group, a substituted or unsubstituted 10-phenoxazyl group, and a substituted or unsubstituted 10-phenothiazyl group), an alkynyl group having from 2 to 10 carbon atoms, and a trialkylsilylalkynyl group having from 5 to 20 carbon atoms. 
     As an application of the invention, it may be considered that a compound that contains plural structures each represented by the general formula (1) in the molecule is used as a light-emitting material. It may also be considered that a compound that contains plural structures each represented by the general formula (1′) in the molecule is used as a delayed fluorescent material. 
     For example, it may be considered that a polymerizable group is introduced in advance to the structure represented by the general formula (1) or the general formula (1′), and a polymer obtained by polymerizing the polymerizable group is used as a light-emitting material or a delayed fluorescent material. Specifically, it may be considered that a monomer that has a polymerizable functional group at any of R 1  to R 5  in the general formula (1) or R 1′  to R 5′  in the general formula (1′) is prepared, and is homopolymerized or copolymerized with another monomer to prepare a polymer containing repeating units, and the polymer is used as a light-emitting material or a delayed fluorescent material. In alternative, it may be considered that the compounds represented by the general formula (1) or the general formula (1′) are coupled with each other to form a dimer or a trimer, and the dimer or the trimer is used as a light-emitting material or a delayed fluorescent material. 
     Examples of the polymer having the repeating unit containing the structure represented by the general formula (1) or the general formula (1′) include a polymer containing a structure represented by the following general formula (11) or (12). 
     
       
         
         
             
             
         
       
     
     In the general formulae (11) and (12), Q represents a group containing the structure represented by the general formula (1) or the general formula (1′), and L 1  and L 2  each represent a linking group. The linking group preferably has a number of carbon atoms of from 0 to 20, more preferably from 1 to 15, and further preferably from 2 to 10. The linking group preferably has a structure represented by —X 11 -L 11 -, wherein X 11  represents an oxygen atom or a sulfur atom, and preferably an oxygen atom, and L 11  represents a linking group, preferably a substituted or unsubstituted alkylene group or a substituted or unsubstituted arylene group, and more preferably a substituted or unsubstituted alkylene group having from 1 to 10 carbon atoms or a substituted or unsubstituted phenylene group. 
     In the general formulae (11) and (12), R 101 , R 102 , R 103  and R 104  each independently represent a substituent, preferably a substituted or unsubstituted alkyl group having from 1 to 6 carbon atoms, a substituted or unsubstituted alkoxy group having from 1 to 6 carbon atoms, or a halogen atom, more preferably an unsubstituted alkyl group having from 1 to 3 carbon atoms, an unsubstituted alkoxy group having from 1 to 3 carbon atoms, a fluorine atom, or a chlorine atom, and further preferably an unsubstituted alkyl group having from 1 to 3 carbon atoms or an unsubstituted alkoxy group having from 1 to 3 carbon atoms. 
     The linking group represented by L 1  and L 2  may be bonded to any of R 1  to R 5  of the structure of the general formula (1) or any of R 1  to R 5′  of the structure of the general formula (1′) constituting Q. Two or more of the linking groups may be boded to one group represented by Q to form a crosslinked structure or a network structure. 
     Specific examples of the structure of the repeating unit include structures represented by the following formulae (13) to (16). 
     
       
         
         
             
             
         
       
     
     The polymer having the repeating unit containing the structure represented by any of the formulae (13) to (16) may be synthesized in such a manner that a hydroxyl group is introduced to any of R 1  to R 5  in the structure represented by the general formula (1) or any of R 1′  to R 5′  in the structure represented by the general formula (1′), and the hydroxyl group as a linker is reacted with the following compound to introduce a polymerizable group thereto, followed by polymerizing the polymerizable group. 
     
       
         
         
             
             
         
       
     
     The polymer containing the structure represented by the general formula (1) or the general formula (1′) in the molecule may be a polymer containing only a repeating unit having the structure represented by the general formula (1) or the general formula (1′), or a polymer further containing a repeating unit having another structure. The repeating unit having the structure represented by the general formula (1) or the general formula (1′) contained in the polymer may be only one kind or two or more kinds. Examples of the repeating unit that does not have the structure represented by the general formula (1) or the general formula (1′) include a repeating unit derived from a monomer that is used for ordinary copolymerization. Examples of the repeating unit include a repeating unit derived from a monomer having an ethylenic unsaturated bond, such as ethylene and styrene. 
     Organic Light-Emitting Device 
     The compound represented by the general formula (1) of the invention is useful as a light-emitting material of an organic light-emitting device. Accordingly, the compound represented by the general formula (1) of the invention may be effectively used as a light-emitting material in a light-emitting layer of an organic light-emitting device. The compound represented by the general formula (1) may also be used as a host or assist dopant. 
     The compound represented by the general formula (1) includes a delayed fluorescent material emitting delayed fluorescent light. Therefore, the invention provides an invention relating to a delayed fluorescent material having a structure represented by the general formula (1), an invention relating to use of the compound represented by the general formula (1) as a delayed fluorescent material, and an invention relating to a method for emitting delayed fluorescent light with the compound represented by the general formula (1). An organic light-emitting device that uses the compound as a light-emitting material has features that the device emits delayed fluorescent light and has a high light emission efficiency. The principle of the features may be described as follows for an organic electroluminescent device as an example. 
     In an organic electroluminescent device, carriers are injected from both an anode and a cathode to a light-emitting material to form an excited state for the light-emitting material, with which light is emitted. In the case of a carrier injection type organic electroluminescent device, in general, excitons that are excited to the excited singlet state are 25% of the total excitons generated, and the remaining 75% thereof are excited to the excited triplet state. Accordingly, the use of phosphorescence, which is light emission from the excited triplet state, provides a high energy use efficiency. However, the excited triplet state has a long lifetime and thus causes saturation of the excited state and deactivation of energy through mutual action with the excitons in the excited triplet state, and therefore the quantum yield of phosphorescence may generally be often not high. On the other hand, a delayed fluorescent material emits fluorescent light through the mechanism that the energy of excitons transits to the excited triplet state through intersystem crossing or the like, and then transits to the excited singlet state through reverse intersystem crossing due to triplet-triplet annihilation or absorption of thermal energy, thereby emitting fluorescent light. It is considered that a thermal activation type delayed fluorescent material emitting light through absorption of thermal energy is particularly useful for an organic electroluminescent device. In the case where a delayed fluorescent material is used in an organic electroluminescent device, the excitons in the excited singlet state normally emit fluorescent light. On the other hand, the excitons in the excited triplet state emit fluorescent light through intersystem crossing to the excited singlet state by absorbing the heat generated by the device. At this time, the light emitted through reverse intersystem crossing from the excited triplet state to the excited singlet state has the same wavelength as fluorescent light since it is light emission from the excited singlet state, but has a longer lifetime (light emission lifetime) than the normal fluorescent light and phosphorescent light, and thus the light is observed as fluorescent light that is delayed from the normal fluorescent light and phosphorescent light. The light may be defined as delayed fluorescent light. The use of the thermal activation type exciton transition mechanism may raise the proportion of the compound in the excited singlet state, which is generally formed in a proportion only of 25%, to 25% or more through the absorption of the thermal energy after the carrier injection. A compound that emits strong fluorescent light and delayed fluorescent light at a low temperature of lower than 100° C. undergoes the intersystem crossing from the excited triplet state to the excited singlet state sufficiently with the heat of the device, thereby emitting delayed fluorescent light, and thus the use of the compound may drastically enhance the light emission efficiency. 
     The use of the compound represented by the general formula (1) of the invention as a light-emitting material of a light-emitting layer may provide an excellent organic light-emitting device, such as an organic photoluminescent device (organic PL device) and an organic electroluminescent device (organic EL device). The organic photoluminescent device has a structure containing a substrate having formed thereon at least a light-emitting layer. The organic electroluminescent device has a structure containing at least an anode, a cathode, and an organic layer formed between the anode and the cathode. The organic layer contains at least a light-emitting layer, and may be formed only of a light-emitting layer, or may have one or more organic layer in addition to the light-emitting layer. Examples of the organic layer include a hole transporting layer, a hole injection layer, an electron barrier layer, a hole barrier layer, an electron injection layer, an electron transporting layer, and an exciton barrier layer. The hole transporting layer may be a hole injection and transporting layer having a hole injection function, and the electron transporting layer may be an electron injection and transporting layer having an electron injection function. A specific structural example of an organic electroluminescent device is shown in  FIG. 1 . In  FIG. 1 , the numeral  1  denotes a substrate,  2  denotes an anode,  3  denotes a hole injection layer,  4  denotes a hole transporting layer,  5  denotes a light-emitting layer,  6  denotes an electron transporting layer, and  7  denotes a cathode. 
     The members and the layers of the organic electroluminescent device will be described below. The descriptions for the substrate and the light-emitting layer may also be applied to the substrate and the light-emitting layer of the organic photoluminescent device. 
     Substrate 
     The organic electroluminescent device of the invention is preferably supported by a substrate. The substrate is not particularly limited and may be one that has been commonly used in an organic electroluminescent device, and examples thereof used include those formed of glass, transparent plastics, quartz and silicon. 
     Anode 
     The anode of the organic electroluminescent device used is preferably formed of, as an electrode material, a metal, an alloy, or an electroconductive compound each having a large work function (4 eV or more), or a mixture thereof. Specific examples of the electrode material include a metal, such as Au, and an electroconductive transparent material, such as CuI, indium tin oxide (ITO), SnO 2  and ZnO. A material that is amorphous and is capable of forming a transparent electroconductive film, such as IDIXO (In 2 O 3 —ZnO), may also be used. The anode may be formed in such a manner that the electrode material is formed into a thin film by such a method as vapor deposition or sputtering, and the film is patterned into a desired pattern by a photolithography method, or in the case where the pattern may not require high accuracy (for example, approximately 100 μm or more), the pattern may be formed with a mask having a desired shape on vapor deposition or sputtering of the electrode material. In alternative, in the case where a material capable of being coated, such as an organic electroconductive compound, is used, a wet film forming method, such as a printing method and a coating method, may be used. In the case where emitted light is to be taken out through the anode, the anode preferably has a transmittance of more than 10%, and the anode preferably has a sheet resistance of several hundred ohm per square or less. The thickness of the anode may be generally selected from a range of from 10 to 1,000 nm, and preferably from 10 to 200 nm, while depending on the material used. 
     Cathode 
     The cathode is preferably formed of as an electrode material a metal (which is referred to as an electron injection metal), an alloy, or an electroconductive compound, having a small work function (4 eV or less), or a mixture thereof. Specific examples of the electrode material include sodium, a sodium-potassium alloy, magnesium, lithium, a magnesium-cupper mixture, a magnesium-silver mixture, a magnesium-aluminum mixture, a magnesium-indium mixture, an aluminum-aluminum oxide (Al 2 O 3 ) mixture, indium, a lithium-aluminum mixture, and a rare earth metal. Among these, a mixture of an electron injection metal and a second metal that is a stable metal having a larger work function than the electron injection metal, for example, a magnesium-silver mixture, a magnesium-aluminum mixture, a magnesium-indium mixture, an aluminum-aluminum oxide (Al 2 O 3 ) mixture, a lithium-aluminum mixture, and aluminum, is preferred from the standpoint of the electron injection property and the durability against oxidation and the like. The cathode may be produced by forming the electrode material into a thin film by such a method as vapor deposition or sputtering. The cathode preferably has a sheet resistance of several hundred ohm per square or less, and the thickness thereof may be generally selected from a range of from 10 nm to 5 μm, and preferably from 50 to 200 nm. For transmitting the emitted light, any one of the anode and the cathode of the organic electroluminescent device is preferably transparent or translucent, thereby enhancing the light emission luminance. 
     The cathode may be formed with the electroconductive transparent materials described for the anode, thereby forming a transparent or translucent cathode, and by applying the cathode, a device having an anode and a cathode, both of which have transmittance, may be produced. 
     Light-Emitting Layer 
     The light-emitting layer is a layer, in which holes and electrons injected from the anode and the cathode respectively are recombined to form excitons, and then the layer emits light. A light-emitting material may be solely used as the light-emitting layer, but the light-emitting layer preferably contains a light-emitting material and a host material. The light-emitting material used may be one kind or two or more kinds selected from the group of compounds represented by the general formula (1) of the invention. In order that the organic electroluminescent device and the organic photoluminescent device of the invention exhibit a high light emission efficiency, it is important that the singlet excitons and the triplet excitons generated in the light-emitting material are confined in the light-emitting material. Accordingly, a host material is preferably used in addition to the light-emitting material in the light-emitting layer. The host material used may be an organic compound that has excited singlet energy and excited triplet energy, at least one of which is higher than those of the light-emitting material of the invention. As a result, the singlet excitons and the triplet excitons generated in the light-emitting material of the invention are capable of being confined in the molecules of the light-emitting material of the invention, thereby eliciting the light emission efficiency thereof sufficiently. Even though the singlet excitons and the triplet excitons are not confined sufficiently, a high light emission efficiency may be obtained in some cases, and thus a host material that is capable of achieving a high light emission efficiency may be used in the invention without any particular limitation. In the organic light-emitting device and the organic electroluminescent device of the invention, the light emission occurs in the light-emitting material of the invention contained in the light-emitting layer. The emitted light contains both fluorescent light and delayed fluorescent light. However, a part of the emitted light may contain emitted light from the host material, or the emitted light may partially contain emitted light from the host material. 
     In the case where the host material is used, the amount of the compound of the invention as the light-emitting material contained in the light-emitting layer is preferably 0.1% by weight or more, and more preferably 1% by weight or more, and is preferably 50% by weight or less, more preferably 20% by weight or less, and further preferably 10% by weight or less. 
     The host material in the light-emitting layer is preferably an organic compound that has a hole transporting capability and an electron transporting capability, prevents the emitted light from being increased in wavelength, and has a high glass transition temperature. 
     Injection Layer 
     The injection layer is a layer that is provided between the electrode and the organic layer, for decreasing the driving voltage and enhancing the light emission luminance, and includes a hole injection layer and an electron injection layer, which may be provided between the anode and the light-emitting layer or the hole transporting layer and between the cathode and the light-emitting layer or the electron transporting layer. The injection layer may be provided depending on necessity. 
     Barrier Layer 
     The barrier layer is a layer that is capable of inhibiting charges (electrons or holes) and/or excitons present in the light-emitting layer from being diffused outside the light-emitting layer. The electron barrier layer may be disposed between the light-emitting layer and the hole transporting layer, and inhibits electrons from passing through the light-emitting layer toward the hole transporting layer. Similarly, the hole barrier layer may be disposed between the light-emitting layer and the electron transporting layer, and inhibits holes from passing through the light-emitting layer toward the electron transporting layer. The barrier layer may also be used for inhibiting excitons from being diffused outside the light-emitting layer. Accordingly, the electron barrier layer and the hole barrier layer each may also have a function as an exciton barrier layer. The electron barrier layer or the exciton barrier layer referred in the description herein is intended to include a layer that has both the functions of an electron barrier layer and an exciton barrier layer by one layer. 
     Hole Barrier Layer 
     The hole barrier layer has the function of an electron transporting layer in a broad sense. The hole barrier layer has a function of inhibiting holes from reaching the electron transporting layer while transporting electrons, and thereby enhances the recombination probability of electrons and holes in the light-emitting layer. As the material for the hole barrier layer, the materials for the electron transporting layer described later may be used depending on necessity. 
     Electron Barrier Layer 
     The electron barrier layer has the function of transporting holes in a broad sense. The electron barrier layer has a function of inhibiting electrons from reaching the hole transporting layer while transporting holes, and thereby enhances the recombination probability of electrons and holes in the light-emitting layer. 
     Exciton Barrier Layer 
     The exciton barrier layer is a layer for inhibiting excitons generated through the recombination of holes and electrons in the light-emitting layer from being diffused to the charge transporting layer, and the use of the layer inserted enables effective confinement of excitons in the light-emitting layer, and thereby enhances the light emission efficiency of the device. The exciton barrier layer may be inserted adjacent to the light-emitting layer on any of the side of the anode and the side of the cathode, and on both the sides. Specifically, in the case where the exciton barrier layer is present on the side of the anode, the layer may be inserted between the hole transporting layer and the light-emitting layer and adjacent to the light-emitting layer, and in the case where the layer is inserted on the side of the cathode, the layer may be inserted between the light-emitting layer and the cathode and adjacent to the light-emitting layer. Between the anode and the exciton barrier layer that is adjacent to the light-emitting layer on the side of the anode, a hole injection layer, an electron barrier layer, and the like may be provided, and between the cathode and the exciton barrier layer that is adjacent to the light-emitting layer on the side of the cathode, an electron injection layer, an electron transporting layer, a hole barrier layer, and the like may be provided. In the case where the barrier layer is provided, the material used for the barrier layer preferably has excited singlet energy and excited triplet energy, at least one of which is higher than the excited singlet energy and the excited triplet energy of the light-emitting layer, respectively. 
     Hole Transporting Layer 
     The hole transporting layer is formed of a hole transporting material having a function of transporting holes, and the hole transporting layer may be provided as a single layer or plural layers. 
     The hole transporting material has one of injection or transporting property of holes and barrier property of electrons, and may be any of an organic material and an inorganic material. Examples of known hole transporting materials that can be used herein include a triazole derivative, an oxadiazole derivative, an imidazole derivative, a carbazole derivative, an indolocarbazole derivative, a polyarylalkane derivative, a pyrazoline derivative, a pyrazolone derivative, a phenylenediamine derivative, an arylamine derivative, an amino-substituted chalcone derivative, an oxazole derivative, a styrylanthracene derivative, a fluorenone derivative, a hydrazone derivative, a stilbene derivative, a silazane derivative, an aniline copolymer, and an electroconductive polymer oligomer, particularly a thiophene oligomer. Among these, a porphyrin compound, an aromatic tertiary amine compound, and a styrylamine compound are preferably used, and an aromatic tertiary amine compound is more preferably used. 
     Electron Transporting Layer 
     The electron transporting layer is formed of a material having a function of transporting electrons, and the electron transporting layer may be provided as a single layer or plural layers. 
     The electron transporting material (which may also function as a hole barrier material in some cases) suffices to have a function of transporting electrons, which are injected from the cathode, to the light-emitting layer. Examples of the electron transporting layer that may be used herein include a nitro-substituted fluorene derivative, a diphenylquinone derivative, a thiopyran dioxide derivative, carbodiimide, a fluorenylidene methane derivative, anthraquinodimethane and an anthrone derivative, and an oxadiazole derivative. Further, regarding the aforementioned oxadiazole derivative, the electron transporting material used may be a thiadiazole derivative obtained by replacing the oxygen atom of the oxadiazole ring of the oxadiazole derivative by a sulfur atom, or a quinoxaline derivative having a quinoxaline ring, which is known as an electron attracting group. Furthermore, polymer materials having these materials introduced to the polymer chain or having these materials used as the main chain of the polymer may also be used. 
     In the production of the organic electroluminescent device, the compound represented by the general formula (1) may be used not only in one layer of an organic layer (for example, an electron transporting layer), but also in plural organic layers. In this case, the compounds represented by the general formula (1) used in the organic layers may be the same as or different from each other. For example, the compound represented by the general formula (1) may be used in the injection layer, the barrier layer, the hole barrier layer, the electron barrier layer, the exciton barrier layer, the hole transporting layer, and the like, in addition to the electron transporting layer and the light-emitting layer. The film forming methods of the layers are not particularly limited, and the layers may be produced by any of a dry process and a wet process. 
     Specific examples of the preferred materials that may be used in the organic electroluminescent device are shown below, but the materials that may be used in the invention are not construed as being limited to the example compounds below. The compound that is shown as a material having a particular function may also be used as a material having another function. In the following structural formulae of the example compounds, R, R′, and R 1  to R 10  each independently represent a hydrogen atom or a substituent, X represents a carbon atom or a hetero atom forming a ring skeleton, n represents an integer of from 3 to 5, Y represents a substituent, and m represents an integer of 0 or more. 
     Preferred examples of a compound that may also be used as the host material of the light-emitting layer are shown below. 
     
       
         
         
             
             
         
       
       
         
         
             
             
         
       
       
         
         
             
             
         
       
       
         
         
             
             
         
       
       
         
         
             
             
         
       
       
         
         
             
             
         
       
     
     Preferred examples of a compound that may be used as the hole injection material are shown below. 
     
       
         
         
             
             
         
       
       
         
         
             
             
         
       
     
     Preferred examples of a compound that may be used as the hole transporting material are shown below. 
     
       
         
         
             
             
         
       
       
         
         
             
             
         
       
       
         
         
             
             
         
       
       
         
         
             
             
         
       
       
         
         
             
             
         
       
       
         
         
             
             
         
       
       
         
         
             
             
         
       
       
         
         
             
             
         
       
     
     Preferred examples of a compound that may be used as the electron barrier material are shown below. 
     
       
         
         
             
             
         
       
       
         
         
             
             
         
       
     
     Preferred examples of a compound that may be used as the hole barrier material are shown below. 
     
       
         
         
             
             
         
       
       
         
         
             
             
         
       
       
         
         
             
             
         
       
     
     Preferred examples of a compound that may be used as the electron transporting material are shown below. 
     
       
         
         
             
             
         
       
       
         
         
             
             
         
       
       
         
         
             
             
         
       
       
         
         
             
             
         
       
     
     Preferred examples of a compound that may be used as the electron injection material are shown below. 
     
       
         
         
             
             
         
       
     
     Preferred examples of a compound as a material that may be added are shown below. For example, the compound may be added as a stabilizing material. 
     
       
         
         
             
             
         
       
     
     The organic electroluminescent device thus produced by the aforementioned method emits light on application of an electric field between the anode and the cathode of the device. In this case, when the light emission is caused by the excited singlet energy, light having a wavelength that corresponds to the energy level thereof may be confirmed as fluorescent light and delayed fluorescent light. When the light emission is caused by the excited triplet energy, light having a wavelength that corresponds to the energy level thereof may be confirmed as phosphorescent light. The normal fluorescent light has a shorter light emission lifetime than the delayed fluorescent light, and thus the light emission lifetimes may be distinguished between the fluorescent light and the delayed fluorescent light. 
     The phosphorescent light may substantially not observed with a normal organic compound, such as the compound of the invention, at room temperature since the excited triplet energy is unstable, and is immediately deactivated due to the large kinetic constant of thermal deactivation and the small kinetic constant of light emission. The excited triplet energy of the normal organic compound may be measured by observing light emission under an extremely low temperature condition. 
     The organic light-emitting device of the invention contains the compound represented by the general formula (1) in at least one layer of the organic layer, and thereby electrons and holes are smoothly transported to the light-emitting layer and the light-emitting material, facilitating the aforementioned light emission with good efficiency. Furthermore, the characteristic deterioration due to a high temperature and the characteristic deterioration with the lapse of time in operation can be suppressed, thereby providing high thermal stability and a long lifetime of the device. 
     The organic electroluminescent device of the invention may be applied to any of a single device, a structure with plural devices disposed in an array, and a structure having anodes and cathodes disposed in an X-Y matrix. According to the invention, an organic light-emitting device that is largely improved in light emission efficiency may be obtained by adding the compound represented by the general formula (1) in the light-emitting layer. The organic light-emitting device, such as the organic electroluminescent device, of the invention may be applied to a further wide range of purposes. For example, an organic electroluminescent display apparatus may be produced with the organic electroluminescent device of the invention, and for the details thereof, reference may be made to S. Tokito, C. Adachi and H. Murata, “Yuki EL Display” (Organic EL Display) (Ohmsha, Ltd.). In particular, the organic electroluminescent device of the invention may be applied to organic electroluminescent illumination and backlight which are highly demanded. 
     EXAMPLES 
     The features of the invention will be described more specifically with reference to synthesis examples and working examples below. The materials, processes, procedures, and the like shown below may be appropriately modified unless they deviate from the substance of the invention. Accordingly, the scope of the invention is not construed as being limited to the specific examples shown below. The ultraviolet ray absorption spectrum was measured with UV-2550 (produced by Shimadzu Corporation) or LAMBDA 950-PKA (produced by Perkin-Elmer Corporation), the light emission spectrum was measured with Fluoromax-4 (produced by Horiba Jobin Yvon SAS), and the transient decay curve was measured with Quantaurus-tau (produced by Hamamatsu Photonics K.K.). In the working examples, fluorescent light that had a light emission lifetime of 0.05 μs or more was determined as delayed fluorescent light. 
     Synthesis Example 1 
     Synthesis of Compound 1 
     
       
         
         
             
             
         
       
     
     Potassium carbonate (8.14 g, 58.9 mmol) and 9H-carbazole (6.57 g, 39.3 mmol) were added to a 100 mL three-neck flask having been substituted with nitrogen, and 45 mL of dehydrated N-methyl-2-pyrrolidone was further added thereto, followed by stirring at room temperature for 1 hour. To the mixture, 2,3,5,6-tetrafluorobenzonitrile (1.37 g, 7.85 mmol) was added under a nitrogen stream, and the mixture was stirred at 80° C. for 12 hours. The solid matter deposited through reaction was recovered by suction filtration, and rinsed with water and methanol. Methanol was added to the rinsed solid matter, which was then stirred under heating, and the solid matter was recovered by suction filtration. Recrystallization from ethyl acetate provided the target material as a yellow solid matter in a yield amount of 3.28 g and a yield of 54.7%. 
       1 H-NMR (500 MHz, CDCl 3 , δ): 8.45 (s, 1H), 7.80-7.77 (m, 8H), 7.36 (d, J=8.0 Hz, 4H), 7.32-7.31 (m, 4H), 7.19 (td, J=7.5 Hz, 1.0 Hz, 4H), 7.15-7.10 (m, 12H) 
     ASAP Mass Spectrum Analysis: 
     Theoretical value: 763.9 
     Observed value: 763.9 
     Synthesis Example 2 
     Synthesis of Compound 2 
     
       
         
         
             
             
         
       
     
     Potassium carbonate (25.7 g, 187 mmol) and 9H-carbazole (20.8 g, 124 mmol) were added to a 300 mL three-neck flask having been substituted with nitrogen, and 180 mL of dehydrated N-methyl-2-pyrrolidone was further added thereto, followed by stirring at room temperature for 1 hour. To the mixture, 2,3,6-trifluorobenzonitrile (3.00 g, 19.1 mmol) was added under a nitrogen stream, and the mixture was stirred at 100° C. for 12 hours. After completing the stirring, water was added to the mixture to deposit a solid matter, and the solid matter deposited was recovered by suction filtration, and rinsed with water and methanol. Methanol was added to the rinsed solid matter, which was then stirred under heating, and the solid matter was recovered by suction filtration. The resulting solid matter was dissolved in heated chloroform, and purified by silica gel column chromatography with chloroform as a developing solvent, and the fraction was concentrated to provide a solid matter. Methanol was added to the resulting solid matter, which was then stirred under heating, and the solid matter was recovered by suction filtration. The solid matter was rinsed with heated methanol to provide the target material as a pale yellow solid matter in a yield amount of 8.11 g and a yield of 71.1%. 
       1 H-NMR (500 MHz, CDCl 3 , δ): 8.23 (d, J=9.0 Hz, 1H), 8.20 (d, J=7.5 Hz, 2H), 7.99 (d, J=8.5 Hz, 1H), 7.78 (dd, J=8.0 Hz, 2.0 Hz, 2H), 7.75 (dd, J=8.0 Hz, 2.0 Hz, 2H), 7.60-7.54 (m, 4H), 7.41 (td, J=8.5 Hz, 1.0 Hz, 2H), 7.20-7.15 (m, 4H), 7.14-7.04 (m, 8H) 
     ASAP Mass Spectrum Analysis: 
     Theoretical value: 598.7 
     Observed value: 598.6 
     Synthesis Example 3 
     Synthesis of Compound 3 
     
       
         
         
             
             
         
       
     
     Potassium carbonate (42.9 g, 310 mmol) and 9H-carbazole (34.6 g, 207 mmol) were added to a 300 mL three-neck flask having been substituted with nitrogen, and 180 mL of dehydrated N-methyl-2-pyrrolidone was further added thereto, followed by stirring at room temperature for 1 hour. To the mixture, 2,3,5-trifluorobenzonitrile (5.00 g, 31.8 mmol) was added under a nitrogen stream, and the mixture was stirred at 100° C. for 12 hours. After completing the stirring, water was added to the mixture to deposit a solid matter, and the solid matter deposited was recovered by suction filtration, and rinsed with water and methanol. Methanol was added to the rinsed solid matter, which was then stirred under heating, and the solid matter was recovered by suction filtration. The resulting solid matter was dissolved in heated chloroform, and purified by silica gel column chromatography with chloroform as a developing solvent, and the fraction was concentrated to provide a solid matter. Methanol was added to the resulting solid matter, which was then stirred under heating, and the solid matter was recovered by suction filtration. The solid matter was rinsed with heated methanol to provide the target material as a pale yellow solid matter in a yield amount of 14.2 g and a yield of 74.7%. 
       1 H-NMR (500 MHz, CDCl 3 , δ): 8.30 (dd, J=7.5 Hz, 2.5 Hz, 2H), 8.18 (d, J=7.5 Hz, 2H), 7.78-7.72 (m, 4H), 7.68 (d, J=8.0 Hz, 2H), 7.52 (td, J=7.5 Hz, 1.0 Hz, 2H), 7.40 (td, J=7.5 Hz, 1.0 Hz, 2H), 7.19-7.16 (m, 2H), 7.14-7.09 (m, 6H), 7.09-7.01 (m, 4H) 
     ASAP Mass Spectrum Analysis: 
     Theoretical value: 598.7 
     Observed value: 598.6 
     Synthesis Example 4 
     Synthesis of Compound 814 
     
       
         
         
             
             
         
       
     
     Potassium carbonate (2.33 g, 16.9 mmol) and 3,6-di-tert-butyl-9H-carbazole (3.14 g, 11.3 mmol) were added to a 300 mL three-neck flask having been substituted with nitrogen, and 30 mL of dehydrated N-methyl-2-pyrrolidone was further added thereto, followed by stirring at room temperature for 1 hour. To the mixture, 2,3,5-trifluorobenzonitrile (0.392 g, 2.50 mmol) was added under a nitrogen stream, and the mixture was stirred at 100° C. for 36 hours. After completing the stirring, water was added to the mixture to deposit a solid matter, and the solid matter deposited was recovered by suction filtration, and rinsed with water and hexane. Hexane was added to the rinsed solid matter, which was then stirred under heating, and the solid matter was recovered by suction filtration to provide the target material as a white solid matter in a yield amount of 1.55 g and a yield of 66.2%. 
       1 H-NMR (500 MHz, CDCl 3 , δ): 8.28 (dd, J=14 Hz, 2.5 Hz, 2H), 8.18 (d, J=1.7 Hz, 2H), 7.65 (d, J=8.6 Hz, 2H), 7.59-7.56 (m, 6H), 6.93 (dd, J=8.5 Hz, 2.0 Hz, 2H), 6.88 (dd, J=8.5 Hz, 2.0 Hz, 2H), 6.86 (dd, J=8.5 Hz, 2.0 Hz, 2H), 6.76 (dd, J=8.5 Hz, 2.0 Hz, 2H), 1.49 (s, 18H), 1.34 (d, 36H) 
     ASAP Mass Spectrum Analysis: 
     Theoretical value: 935.4 
     Observed value: 935.2 
     Synthesis Example 5 
     Synthesis of Compound 816 
     
       
         
         
             
             
         
       
     
     Potassium carbonate (3.46 g, 25.0 mmol) and 3,6-di-tert-butyl-9H-carbazole (4.67 g, 16.7 mmol) were added to a 100 mL three-neck flask having been substituted with nitrogen, and 30 mL of dehydrated N-methyl-2-pyrrolidone was further added thereto, followed by stirring at room temperature for 1 hour. To the mixture, 2,3,5,6-tetrafluorobenzonitrile (0.450 g, 2.57 mmol) was added under a nitrogen stream, and the mixture was stirred at 95° C. for 12 hours. After completing the stirring, the solid matter deposited was recovered by suction filtration, and rinsed with water and hexane. Hexane was added to the rinsed solid matter, which was then stirred under heating, and the solid matter was recovered by suction filtration to provide the target material as a yellow solid matter in a yield amount of 2.65 g and a yield of 85.2%. 
       1 H NMR (500 MHz, CDCl 3 , 6): 8.43 (s, 1H), 7.61 (d, J=7.0 Hz, 8H), 7.09-6.99 (m, 16H), 1.37 (s, 72H) 
     ASAP Mass Spectrum Analysis: 
     Theoretical value: 1212 
     Observed value: 1212 
     Example 1 
     Preparation and Evaluation of Organic Photoluminescent Device Using Compound 1 
     A toluene solution of the compound 1 (concentration: 1×10 −5  mol/L) was prepared in a glove box under an Ar atmosphere. 
     For the toluene solution of the compound 1, the light emission spectrum and the light absorption spectrum measured with excitation light of 300 nm are shown in  FIG. 2 , and the transient decay curve measured with excitation light of 340 nm after bubbling with argon is shown in  FIG. 3 . In  FIG. 2 , the solid line shows the light emission spectrum, and the broken line shows the light absorption spectrum. The photoluminescence quantum efficiency was 12.0% for the toluene solution before bubbling, and 45.4% for the toluene solution after bubbling with argon. A fluorescent light component rapidly attenuated and a delayed fluorescent light component slowly attenuated were confirmed from  FIG. 3 , in which the light emission lifetime of the fluorescent light component rapidly attenuated was 1.65 ns (nanosecond), and the light emission lifetime of the delayed fluorescent light component was 70 μs. 
     It was confirmed from the results that the compound 1 was a compound capable of emitting delayed fluorescent light and had a high light emission efficiency. 
     Example 2 
     Preparation and Evaluation of Organic Photoluminescent Device Using Compound 2 
     A toluene solution (concentration: 1×10 −5  mol/L) was prepared under the same condition as in Example 1 except that the compound 2 was used instead of the compound 1. 
     For the toluene solution of the compound 2, the light emission spectrum and the light absorption spectrum measured with excitation light of 337 nm are shown in  FIG. 4 , and the transient decay curve measured with excitation light of 340 nm after bubbling with argon is shown in  FIG. 5 . In  FIG. 4 , the solid line shows the light emission spectrum, and the broken line shows the light absorption spectrum. The photoluminescence quantum efficiency was 10.0% for the toluene solution before bubbling, and 13.7% for the toluene solution after bubbling with argon. A fluorescent light component rapidly attenuated and a delayed fluorescent light component slowly attenuated were confirmed from  FIG. 5 , in which the light emission lifetime of the fluorescent light component rapidly attenuated was 2.8 ns, and the light emission lifetime of the delayed fluorescent light component was 17 μs. 
     It was confirmed from the results that the compound 2 was a compound capable of emitting delayed fluorescent light and had a high light emission efficiency. 
     Example 3 
     Preparation and Evaluation of Organic Photoluminescent Device Using Compound 3 
     A toluene solution (concentration: 1×10 −5  mol/L) was prepared under the same condition as in Example 1 except that the compound 3 was used instead of the compound 1. 
     For the toluene solution of the compound 3, the light emission spectrum and the light absorption spectrum measured with excitation light of 337 nm are shown in  FIG. 6 , and the transient decay curve measured with excitation light of 340 nm after bubbling with argon is shown in  FIG. 7 . In  FIG. 6 , the solid line shows the light emission spectrum, and the broken line shows the light absorption spectrum. The photoluminescence quantum efficiency was 17.8% for the toluene solution before bubbling, and 21.0% for the toluene solution after bubbling with argon. A fluorescent light component rapidly attenuated and a delayed fluorescent light component slowly attenuated were confirmed from  FIG. 7 , in which the light emission lifetime of the fluorescent light component rapidly attenuated was 6.6 ns, and the light emission lifetime of the delayed fluorescent light component was 96 μs. 
     It was confirmed from the results that the compound 3 was a compound capable of emitting delayed fluorescent light and had a high light emission efficiency. 
     Example 4 
     Preparation and Evaluation of Organic Photoluminescent Device Using Compound 814 
     A toluene solution (concentration: 1×10 −5  mol/L) was prepared under the same condition as in Example 1 except that the compound 814 was used instead of the compound 1. 
     For the toluene solution of the compound 814, the light emission spectrum measured with excitation light of 337 nm is shown in  FIG. 8 , and the transient decay curve measured with excitation light of 340 nm after bubbling with argon is shown in  FIG. 9 . The photoluminescence quantum efficiency was 27.4% for the toluene solution before bubbling, and 37.4% for the toluene solution after bubbling with argon. A fluorescent light component rapidly attenuated and a delayed fluorescent light component slowly attenuated were confirmed from  FIG. 9 , in which the light emission lifetime of the fluorescent light component rapidly attenuated was 6.7 ns, and the light emission lifetime of the delayed fluorescent light component was 2.5 μs. 
     It was confirmed from the results that the compound 814 was a compound capable of emitting delayed fluorescent light and had a high light emission efficiency. 
     Example 5 
     Preparation and Evaluation of Organic Photoluminescent Device Using Compound 816 
     A toluene solution (concentration: 1×10 −5  mol/L) was prepared under the same condition as in Example 1 except that the compound 816 was used instead of the compound 1. 
     For the toluene solution of the compound 816, the light emission spectrum and the light absorption spectrum measured with excitation light of 337 nm are shown in  FIG. 10 , and the transient decay curve measured with excitation light of 340 nm after bubbling with argon is shown in  FIG. 11 . In  FIG. 10 , the solid line shows the light emission spectrum, and the broken line shows the light absorption spectrum. The photoluminescence quantum efficiency was 13.1% for the toluene solution before bubbling, and 39.4% for the toluene solution after bubbling with argon. A fluorescent light component rapidly attenuated and a delayed fluorescent light component slowly attenuated were confirmed from  FIG. 11 , in which the light emission lifetime of the fluorescent light component rapidly attenuated was 2.2 ns, and the light emission lifetime of the delayed fluorescent light component was 6.3 μs. 
     It was confirmed from the results that the compound 816 was a compound capable of emitting delayed fluorescent light and had a high light emission efficiency. 
     Comparative Example 1 
     Preparation and Evaluation of Organic Photoluminescent Device Using Comparative Compound 1 
     A toluene solution (concentration: 1×10 −5  mol/L) was prepared under the same condition as in Example 1 except that the comparative compound 1 shown by the following formula was used instead of the compound 1. 
     
       
         
         
             
             
         
       
     
     For the toluene solution of the comparative compound 1, the transient decay curve measured with excitation light of 280 nm after bubbling with argon is shown in  FIG. 12 . The photoluminescence quantum efficiency was 17.0% for the toluene solution before bubbling, and 35.1% for the toluene solution after bubbling with argon. A delayed fluorescent light component was not confirmed from  FIG. 12 , and only the fluorescent light component rapidly attenuated (light emission lifetime: 10.9 ns) was observed. 
     Comparative Example 2 
     Preparation and Evaluation of Organic Photoluminescent Device Using Comparative Compound 2 
     A toluene solution (concentration: 1×10 −5  mol/L) was prepared under the same condition as in Example 1 except that the comparative compound 2 shown by the following formula was used instead of the compound 1. 
     
       
         
         
             
             
         
       
     
     For the toluene solution of the comparative compound 2, the transient decay curve measured with excitation light of 280 nm after bubbling with argon is shown in  FIG. 13 . The photoluminescence quantum efficiency was 14.4% for the toluene solution before bubbling, and 18.9% for the toluene solution after bubbling with argon. A delayed fluorescent light component was not confirmed from  FIG. 13 , and only the fluorescent light component rapidly attenuated (light emission lifetime: 3.75 ns) was observed. 
     Comparative Example 3 
     Preparation and Evaluation of Organic Photoluminescent Device Using Comparative Compound 3 
     A toluene solution (concentration: 1×10 −5  mol/L) was prepared under the same condition as in Example 1 except that the comparative compound 3 shown by the following formula was used instead of the compound 1. 
     
       
         
         
             
             
         
       
     
     For the toluene solution of the comparative compound 3, the transient decay curve measured with excitation light of 280 nm after bubbling with argon is shown in  FIG. 14 . The photoluminescence quantum efficiency was 8.60% for the toluene solution before bubbling, and 10.7% for the toluene solution after bubbling with argon. A delayed fluorescent light component was not confirmed from  FIG. 14 , and only the fluorescent light component rapidly attenuated (light emission lifetime: 3.94 ns) was observed. 
     Example 6 
     Preparation and Evaluation of Organic Electroluminescent Device Using Compound 1 
     Thin films were laminated on a glass substrate having formed thereon an anode formed of indium tin oxide (ITO) having a thickness of 100 nm, by a vacuum vapor deposition method at a vacuum degree of 5×10 −4  Pa. Firstly, HAT-CN was formed to a thickness of 10 nm on ITO, TAPC was formed to a thickness of 30 nm thereon, and mCP was formed to a thickness of 10 nm thereon. Subsequently, the compound 1 and PPT were co-deposited thereon from separate vapor deposition sources to form a layer having a thickness of 30 nm, which was designated as a light-emitting layer. At this time, the concentration of the compound 1 was 15% by weight. PPT was then formed to a thickness of 40 nm, further lithium fluoride (LiF) was vacuum vapor-deposited to a thickness of 0.8 nm, and then aluminum (Al) was vapor-deposited to a thickness of 100 nm to form a cathode, thereby completing an organic electroluminescent device. 
       FIG. 15  shows the light emission spectra of the organic electroluminescent device thus produced. The CIE values were (0.16, 0.19).  FIG. 16  shows the luminance-external quantum efficiency characteristics. It was confirmed that an external quantum efficiency of 20% was achieved. 
     
       
         
         
             
             
         
       
     
     INDUSTRIAL APPLICABILITY 
     The compound of the invention is useful as a light-emitting material. Accordingly, the compound of the invention may be effectively used as a light-emitting material of an organic light-emitting device, such as an organic electroluminescent device. The compound of the invention includes a compound that emits delayed fluorescent light, and thus is capable of providing an organic light-emitting device having a high light emission efficiency. Accordingly, the invention has high industrial applicability. 
     REFERENCE SIGNS LIST 
     
         
           1  substrate 
           2  anode 
           3  hole injection layer 
           4  hole transporting layer 
           5  light-emitting layer 
           6  electron transporting layer 
           7  cathode