Patent ID: 6919357

Claim:
A compound of Formula I wherein: R 1 is hydrogen, halo, hydroxy, nitro, cyano, phenyl, trifluoromethyl, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, carboxy, amino, cyclohexyl, C 1 -C 6 alkylamino, or (C 1 -C 6 alkyl) 2 amino; R 2 is hydrogen, halo, hydroxy, nitro, cyano, trifluoromethyl, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, carboxy, amino, C 1 -C 6 alkylamino, or (C 1 -C 6 alkyl) 2 amino; R 3 is a group of the formula R 4 is hydrogen or C 1 -C 6 alkyl; R 5 is hydrogen, halo, hydroxy, nitro, cyano, phenyl, trifluoromethyl, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, carboxy, amino, C 1 -C 6 alkylamino, or (C 1 -C 6 alkyl) 2 amino; and R 6 is hydrogen, halo, hydroxy, nitro, cyano, trifluoromethyl, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, carboxy, amino, C 1 -C 6 alkylamino, or (C 1 -C 6 alkyl) 2 amino; or a pharmaceutically acceptable salt thereof.