Patent ID: 8859573

Claim:
A compound of Formula (I) or a pharmaceutically acceptable salt thereof wherein: A is N or CH; n is 1 or 2; X is O, CH 2 or NH; when A is N, Y is absent, O or CH 2 or when A is CH, Y is O; Z is H, C 1 -C 3 alkyl, —(C 1 -C 3 alkyl)-heteroaryl wherein said heteroaryl is optionally substituted with one or more substituents independently selected from the group consisting of C 1 -C 3 alkyl and C 1 -C 3 alkoxyl; Ra is H, F, Cl, or C 1 -C 3 alkyl; Rb is phenyl or heteroaryl, either of which is optionally substituted with one or more substituents independently selected from the group consisting of CN and halo; and Rc is phenyl or heteroaryl, wherein either of phenyl or heteroaryl is optionally substituted with one or more substituents independently selected from the group consisting of halo, C 1 -C 3 alkyl, and C 1 -C 3 haloalkyl.