Patent ID: 7541370

Claim:
A compound of formula I wherein A is C or CR 10 ; X is N and Y is CR 7 ; or X is CR 11 and Y is N; R 1 is H, C 1 -C 6 alkylcarbonyl, C 1 -C 6 alkylcarbonyloxy or an C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynl or cycloheteroalkyl group each optionally substituted; R 2 , R 3 , R 4 , R 5 and R 6 are each independently H, halogen, OH or an optionally substituted C 1 -C 6 alkyl group; R 7 and R 11 are each independently H, halogen or an C 1 -C 6 alkyl, aryl, heteroaryl or C 1 -C 6 alkoxy group each optionally substituted; R 8 is an C 1 -C 6 alkyl, aryl or heteroaryl group each optionally substituted; R 9 is H, halogen or an C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 2 -C 6 alkenyl, aryl or heteroaryl group each optionally substituted; R 10 is H, OH or an optionally substituted C 1 -C 6 alkoxy group; m is an integer of 2; n is 0 or an integer of 1, 2 or 3; and represents a single bond or a double bond; or a pharmaceutically acceptable salt thereof.