Patent ID: 8883833

Claim:
A compound of formula I: or a pharmaceutically acceptable salt thereof wherein U is selected from the group consisting of —S— and —O—; V is selected from the group consisting of H, CH 3 , NH 2 , and CF 3 ; X is selected from the group consisting of CH, C—F, C—Cl , C—Br, C—I, C—NH 2 , C—OH, C—OCH 3 , N, and N—O; Y is selected from the group consisting of N, CH, CF and C-lower alkyl; R 1 is H or lower alkyl; R 2 is selected from the group consisting of H, alkyl, OH, NH 2 , and OCH 3 ; B is an optionally substituted, mono- or bicyclic aryl or heteroaryl; and A is an optionally substituted heterocycle or an optionally substituted carbocycle.