Patent ID: 8546448

Claim:
A compound represented by Formula I wherein R 1 and R 2 are independently selected from the group consisting of hydrogen, halo, alkyl having 1 or 2 carbon atoms, perfluoromethyl, alkoxy having 1 or 2 carbon atoms, perfluoromethoxy, hydroxy, and amino; one of R 3 and R 4 is hydrogen, and the other is selected from the group consisting of hydroxy, alkoxy having 1 or 2 carbon atoms, nitro, alkyl having 1 or 2 carbon atoms, amino, halo, and cyano; t is 0 or 1; q is 0 or 1; r is 0, 1, or 2; X is C(O) and r is 0 and t is 0, or X is N(R 13 ) wherein R 13 is hydrogen or alkyl having from 1 to 3 carbon atoms; one of R 5 and R 6 is hydrogen, and the other is selected from the group consisting of hydrogen, alkyl having 1 or 2 carbon atoms, hydroxy, alkoxy having 1 or 2 carbon atoms, fluoro, chloro, bromo, amino; R 7 is y is 0, 1, 2, or 3; m is 0, 1, 2, 3, or 4; n is 0 or 1; R 8 is hydrogen, methyl or ethyl and R 9 is hydrogen or methyl, or R 8 is hydroxy and R 9 is hydrogen, or R 8 is O and R 9 is absent, or R 8 and R 9 together are CH 2 CH 2 ; one of R 10 and R 11 is alkyl having from 1 to 3 carbon atoms, and the other is hydrogen or alkyl having from 1 to 3 carbon atoms; R 12 is hydrogen or alkyl having from 1 to 3 carbon atoms, or when R 12 is hydrogen, a pharmaceutically acceptable salt of the compound.