Patent ID: 7910588

Claim:
A compound of the formula: where: A is —C(H)═ or —N═, R 1 is a substituent selected from the group consisting of i) hydrogen, ii) methyl, iii) ethyl, iv) hydroxymethyl, v) hydroxyethyl, vi) phenyl optionally substituted with 1 to 3 fluoro groups, vii) benzyl optionally substituted with 1 to 3 fluoro groups, and viii) pyridyl; R 2 is hydrogen, methyl, or ethyl; R 3 is hydrogen, methyl, or chloro; R 4 is selected from the group consisting of i) hydrogen, ii) fluoro, iii) methyl, iv) hydroxy, v) hydroxymethyl, vi) hydroxyethyl, vii) methoxymethyl, viii) cyanomethyl, and ix) methylsulfonylaminomethyl; R 5 is hydrogen or fluoro, provided that when R 5 is fluoro, R 4 is fluoro; R 6 and R 7 are the same and are selected together from the group consisting of hydrogen, methyl, and fluoro, provided that when R 6 and R 7 are not hydrogen, R 4 and R 5 are both hydrogen; or a pharmaceutically acceptable salt thereof.