Patent ID: 8618327

Claim:
A compound having a formula selected from the group consisting of: or a pharmaceutically acceptable salt thereof; wherein each R 1 is independently selected from the group consisting of a hydrogen, a methyl group, a halogen, an amine group, a substituted or unsubstituted C 1 -C 8 alkyl group, a substituted or unsubstituted C 1 -C 8 alkenyl group, a substituted or unsubstituted C 1 -C 8 alkynyl group, a substituted or unsubstituted C 1 -C 8 alkoxyl group, a hydroxyl group, a â€”CN group, an azide group, and a â€”NO 2 group; wherein R 2 is selected from the group consisting of â€”H, â€”CH 3 , â€”CH 2 CH 3 , â€”CH 2 CH 2 CH 3 , â€”CH 2 CH 2 CH 2 CH 3 , â€”CH 2 CH 2 CH 2 CH 2 CH 3 , â€”OH, â€”OCH 3 , â€”OCH 2 CH 3 , â€”OCH 2 CH 2 CH 3 , â€”OCH 2 CH 2 CH 2 CH 3 and â€”OCH 2 CH 2 CH 2 CH 2 CH 3 ; wherein R 6 is selected from the group consisting of â€”H, â€”CH 3 , â€”CH 2 CH 3 , â€”CH 2 CH 2 CH 3 , â€”CH 2 CH 2 CH 2 CH 3 , â€”CH 2 CH 2 CH 2 CH 2 CH 3 , â€”OH, â€”OCH 3 , â€”OCH 2 CH 3 , â€”OCH 2 CH 2 CH 3 , â€”OCH 2 CH 2 CH 2 CH 3 and â€”OCH 2 CH 2 CH 2 CH 2 CH 3 , and wherein at least one of R 2 and R 6 is â€”OH; wherein R 5 is selected from the group consisting of â€”CF 3 , â€”CF 2 CF 3 , â€”CF 2 CF 2 CF 3 , â€”CF 2 CF 2 CF 2 CF 3 , and â€”CF 2 CF 2 CF 2 CF 2 CF 2 CF 3 ; and wherein each R 3 , independent of other R 3 , is selected from the group consisting of a hydrogen, a methyl group, a halogen, an amine group, a substituted or unsubstituted C 1 -C 8 alkyl group, a substituted or unsubstituted C 1 -C 8 alkenyl group, a substituted or unsubstituted C 1 -C 8 alkynyl group, a â€”CN group, an azide group, and a â€”NO 2 group and at least one of R 3 is a halogen or a haloalkyl group.