Patent ID: 7932280

Claim:
A compound represented by formula I: or a pharmaceutically acceptable salt or solvate thereof wherein: each R 1 is selected from the group consisting of H, halo, C 1-6 alkyl, haloC 1-6 alkyl, C 1-6 alkoxy and haloC 1-6 alkoxy; R 2 is hydrogen or is selected from the group consisting of C 1-6 alkyl and haloC 1-6 alkyl; each R 3 independently represents a member selected from the group consisting of: hydrogen, hydroxyl and oxo; R 4 is selected from the group consisting of: C 3-6 alkyl or C 2-4 alkenyl, each substituted with a CF 3 group and optionally further substituted with 1-4 halo atoms and 1-2 moieties selected from the group consisting of; OH, C 1-4 alkoxy, haloC 1-4 alkoxy, NH 2 , NHC 1-3 alkyl, N(C 1-3 alkyl) 2 , Aryl and HAR, said Aryl and HAR being optionally substituted with 1-3 halo groups, and 1-2 groups selected from C 1-6 alkyl, C 1-6 alkoxy, haloC 1-6 alkyl, haloC 1-6 alkoxy, C 2-4 alkenyl, haloC 2-4 alkenyl, C 2-4 alkenyloxy and haloC 2-4 alkenyloxy; and HAR is oxadiazole.