Patent ID: 8343990

Claim:
A compound represented by the formula: or a pharmaceutically acceptable salt thereof, wherein: Ring A represents a 6-membered aryl or heteroaryl group containing 1 nitrogen atom, and optionally 1-2 additional nitrogen atoms; Ring B represents a 6 membered heteroaryl ring containing 1-2 nitrogen atoms; i and j independently represent integers selected from 0, 1 and 2, such that i plus j is 1 or 2; R 1 represents a member selected from the group consisting of H, halo, C 1-6 alkyl, haloC 1-6 alkyl, C(O)C 1-6 alkyl, C(O)haloC 1-6 alkyl, C(O)NH—C 1-6 alkyl, S(O)C 1-6 alkyl, SO 2 C 1-6 alkyl, SO 2 NH 2 , SO 2 NHC 1-6 alkyl, SO 2 N(C 1-6 alkyl) 2 , CN, and HAR optionally substituted with 1-3 C 1-6 alkyl, halo or halo C 1-6 alkyl groups; and each R 2 , R 3 and R 4 is independently selected from H, halo, C 1-6 alkyl and haloC 1-6 alkyl.