Patent ID: 8394799

Claim:
A compound, represented by the following Chemical Formula 1A, wherein, X and Y are each C or N, provided that when X is C, Y is C or N and when Y is N, X is C or N; R 1 is selected from the group consisting of H, OH and COORa, wherein Ra is H or C 1 ˜C 2 alkyl; R 2 is selected from the group consisting of H, OH, CN, CF 3 , C 1 ˜C 2 alkyl, COORa, CH 2 COORa, CONRbRc, SO 2 NH 2 , SO 2 CH 3 , SO 2 CH 2 OH, O(C=O)NH 2 , OSO 2 NH 2 , tetrazole, C 1 ˜C 3 alkyl-substituted tetrazole, and C 1 ˜C 3 alkyl-substituted benzoyl, wherein Ra is H or C 1 ˜C 2 alkyl; and Rb and Rc are independently selected from the group consisting of: C 3 ˜C 5 heteroaryl containing N, O and/or S; C 1 ˜C 5 alkyl substituted with a C 3 ˜C 5 heteroaryl or heterocyclic group containing N, O and/or S; C 1 ˜C 3 alkyl substituted with OH and/or phenyl; phenyl substituted with halogen and/or trihalomethyl; naphthyl; H; and C 1 ˜C 3 alkyl, R 3 is selected from the a group consisting of H, COORa and SO 2 NH 2 , wherein Ra is H or C 1 ˜C 2 alkyl; R 4 is selected from the group consisting of H, COORa and CONRbRc, wherein Ra is H or C 1 ˜C 2 alkyl; and Rb and Rc are independently selected from the group consisting of: C 1 ˜C 3 alkyl substituted with a C 3 ˜C 5 heteroaryl or heterocyclic group containing N, O and/or S; C 1 ˜C 5 alkyl substituted with an amino group or a C 1 ˜C 2 alkyl-substituted amino group; H; and C 1 ˜C 2 alkyl; R 5 is adamantly and R 6 , and R 7 are independently selected from the group consisting of H and halogen.