Patent ID: 7834018

Claim:
A compound of general formula I: wherein: m 1 is 2; m 2 is 2; n 1 is 0 or 1; n 2 is 0 or 1; i is an integer of any of 1 to m 1 ; j is an integer of any of 1 to m 2 ; R is phenyl which may be substituted; R ai and R ai ′ are each independently hydrogen atom and lower alkyl; R bj and R bj ′ are each independently hydrogen atom and lower alkyl; wherein: if m 1 is 2 and i is i 0 wherein i 0 is an integer of any of 1 to m 1 , and further if m 2 is 2 and j is j 0 wherein j 0 is an integer of any of 1 to m 2 , then one of R ai0 and R ai0 ′ and one of R bj0 and R bj0 ′ may be combined to form —(CH 2 ) n — wherein n is 1 or 2; and R c , R d , and R e are each independently hydrogen atom or lower alkyl; X 1 is CH, CX 1a , wherein X 1a is lower alkyl which may be substituted; X 2 is CH; X 3 is CH, or CX 3a , wherein X 3a is lower alkyl which may be substituted; X 4 is N; the number of nitrogen atoms among X 1 , X 2 , and X 3 , and X 4 is one or two; Y 1 , Y 2 , and Y 3 are each independently CH or N; however, if Y 1 is CH and R e is hydrogen atom, then the two hydrogen atoms may be substituted with oxo; Z 1 and Z 2 are N; W is: wherein W 2a is a hydrogen atom, halogen atom, cyano, C 1-2 lower alkyl, C 3-5 cycloalkyl, or C 1-2 lower alkyl which may be substituted with one or more halogen atoms.