Patent ID: 8063035

Claim:
A compound of the formula: wherein: R 1 is methyl, methoxy, hydroxy, amino, chloro, amino(C 1 -C 4 alkyl), dimethylamino(C 1 -C 2 alkyl), (C 1 -C 2 alkyl)amino(C 1 -C 2 alkyl), aminocarbonyl(C 1 -C 3 alkyl), 1-((1-amino)ethylcarbonylamino)ethyl, 2-(N-methylamino)ethoxy, 2-cyanoprop-2-yl, (2-hydroxy-2-methyl)-1-propyloxy, (2-hydroxy)ethylaminocarbonylmethyl, (1-fluoro)-(2-amino)ethyl, (1-fluoro)-(1-methyl)-(2-amino)ethyl, difluoromethyl, 1-((2,2-difluoro)ethylamino)ethyl, difluoromethylcarbonyl, trifluoromethylcarbonyl, (1-amino)-(2,2,2-trifluoro)ethyl, (1-methylamino)-(2,2,2-trifluoro)ethyl, (1-hydroxy)-(2,2,2-trifluoro)ethyl, 2-(amino)ethoxy, 2-(hydroxy)ethoxy, 1-((N-(2-hydroxy)ethyl)-(N-methyl)-amino)(C 1 -C 2 alkyl), 4-(hydroxy)piperidin-1-yl-methyl, 1-(piperazin-1-yl)ethyl, 2-(hydroxy)ethylsulfonyl, 1-(amino)cyclopropyl, 1-(methylamino)cyclopropyl, 1-amino(cyclobutyl), 1-aminocyclopent-2-yl, cyclopentanone-2-yl, tetrahydrofur-2-yl, pyrrolidin-2-yl, aziridin-2-yl, or (morpholin-4-yl)methyl; R 2 is hydrogen or amino provided that if R 2 is amino, R 1 and R 2 form a pyrrole ring fused to the phenyl; or if R 1 is amino, R 1 and R 2 can form either a pyrrole or a pyridine ring fused to the phenyl; R 3 is hydrogen, chloro, or fluoro; R 4 is hydrogen, methyl, chloro, or fluoro; R 5 is hydrogen, hydroxymethyl, or methyl; and R 6 is hydrogen, hydroxymethyl, or methyl; or a pharmaceutically acceptable salt thereof.