Patent ID: 6844344

Claim:
A compound of the formula: wherein: B is selected from the group consisting of: R 1a is hydrogen, F, C 1 -C 20 alkyl, or CN; R 3 and R 4 are each independently hydrogen or C 1 -C 4 alkyl; R 5 and R 6 are each independently hydrogen, F, Cl, Br, I, OH, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, halo(C 1 -C 6 )alkyl, phenyl, —C(═O)NR 8 R 9 , NO 2 , NH 2 , CN, or phenyl substituted with from 1 to 3 substituents selected from the group consisting of F, Cl, Br, I, OH, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, halo(C 1 -C 6 )alkyl, NO 2 , NH 2 , CN, and phenyl; R 7 is hydrogen, F, Cl, Br, I, OH, C 1 -C 6 alkyl or (C 1 -C 6 alkyl)NR 8 R 9 ; R 8 and R 9 are each independently hydrogen or C 1 -C 10 alkyl; m is 0, 1, or 2; n is 0, 1, or 2; or a pharmaceutically acceptable salt thereof.