Patent ID: 7759372

Claim:
A compound of the formula: wherein R B is hydrogen or a group selected from substitution group A (wherein the substitution group A is halogen, alkoxycarbonyl, carboxy, optionally substituted alkyl, alkoxy, alkoxyalkyl, nitro, hydroxy, optionally substituted alkenyl, alkynyl, alkylsulfonyl, optionally substituted amino, alkylthio, alkylthioalkyl, haloalkyl, haloalkoxy, haloalkoxyalkyl, cycloalkyl, cycloalkenyl, oxo, thioxo, alkylenedioxy, alkylene, alkenylene, nitroso, amidino, guanidino, cyano, isocyano, mercapto, optionally substituted carbamoyl, sulfamoyl, sulfoamino, formyl, alkylcarbonyl, alkylcarbonyloxy, hydrazino, morpholino, optionally substituted aralkyl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted heteroaryloxy, optionally substituted arylthio, optionally substituted heteroarylthio, optionally substituted aralkyloxy, optionally substituted heteroaralkyloxy, optionally substituted aralkylthio, optionally substituted heteroaralkylthio, optionally substituted aryloxyalkyl, optionally substituted heteroaryloxyalkyl, optionally substituted arylthioalkyl, optionally substituted heteroarylthioalkyl, optionally substituted arylsulfonyl, optionally substituted heteroarylsulfonyl, optionally substituted aralkylsulfonyl or optionally substituted heteroaralkylsulfonyl), Z 6 is ═C(—R 5 ), at least one of R 3 to R 5 is the formula: —Z 1 —Z 2 —Z 3 —R 1 (wherein Z 1 and Z 3 each is independently a bond, optionally substituted alkylene or optionally substituted alkenylene; Z 2 is a bond, optionally substituted alkylene, optionally substituted alkenylene, —CH(OH)—, —S—, —SO—, —SO 2 —, —SO 2 NR 2 —, —NR 2 SO 2 —, —O—, —NR 2 —, —NR 2 CO—, —CONR 2 —, —C(═O)—O—, —O—C(═O)— or —CO—; R 2 is hydrogen, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted aryl or optionally substituted heteroaryl; and R 1 is optionally substituted aryl, optionally substituted heteroaryl, optionally substituted cycloalkyl, optionally substituted cycloalkenyl or optionally substituted heterocycle), and the others of R 3 to R 5 are hydrogen or groups selected from the substitution group A, and R 6 is hydrogen, or a pharmaceutically acceptable salt thereof.