Patent ID: 7598393

Claim:
A compound of the formula (I): or a pharmaceutically acceptable salt thereof, wherein: A is a bond; B is CH; R 1 is a C 1 -C 2 alkyl group substituted with one substituent selected from the group consisting of, a hydroxy group, a trifluoromethoxy group, a C 1 -C 4 alkoxy group, an amino group, a C 1 -C 4 alkylamino group, a di(C 1 -C 4 alkyl)amino group, a cycloalkyl group, an alkyl-substituted cycloalkyl group, a hydroxy-substituted cycloalkyl group, a heterocyclyl group, an alkyl-substituted heterocyclyl group and a hydroxy-substituted heterocyclyl group; wherein said unsubstituted or substituted heterocyclyl group is selected from the group consisting of pyrrolidinyl, tetrahydropyranyl, and tetrahydrofuranyl; R 2 is an alkyl-substituted C 3 -C 6 cycloalkyl group, a branched C 4 -C 8 alkyl group, an alkoxy-substituted branched C 4 -C 8 alkyl group, or a methyl group substituted with one substituent select from the group consisting of a C 3 -C 5 cycloalkyl group, and an alkylsubstituted C 3 -C 5 cycloalkyl group; and R 3 is a phenyl group, a C 3 -C 5 cycloalkyl group or a C 1 -C 4 alkyl group, said phenyl group and said alkyl group being unsubstituted or substituted with 1 to 3 substituents independently selected from the group consisting of a halogen atom, a C 1 -C 4 alkoxy group and a di(C 1 -C 4 alkyl)amino group.