Patent ID: 8133895

Claim:
A compound according to formula I: wherein Z is N; R 1 is H or C 1 -C 6 alkyl; R 2 is H, C 1 -C 6 alkyl, C 3 -C 7 cycloalkyl or C 3 -C 7 cycloalkyl-C 1 -C 6 alkyl; R 8 is cycloalkyl; and R 9 is aryl or heteroaryl; wherein each of said R 1 , R 2 , R 8 and R 9 that is not H is independently optionally substituted by at least one of fluoro, chloro, bromo, W being C 1 -C 6 alkyl, carboxy, hydroxyl, carbamoyl, C 1 -C 6 hydroxyalkyl, C 1 -C 6 haloalkyl, C 1 -C 6 alkoxy, cyano, amino, aryl, 3-7-membered heterocycloalkyl, aralkyl, and heteroaryl, wherein said W is optionally substituted by at least one of fluoro, chloro, and bromo, and wherein said amino is optionally substituted by C 1 -C 6 alkyl; or a pharmaceutically acceptable salt, stereoisomer, or tautomer thereof.