2-(2,3-Difluorophenyl)-5-(trifluoromethyl)pyridine-4-acetonitrile
2-(2,3-Difluorophenyl)-5-(trifluoromethyl)pyridine-3-acetonitrile
2-(2,3-Difluorophenyl)-4-(trifluoromethyl)pyridine-3-acetonitrile
2-(2,3-Difluorophenyl)-3-(trifluoromethyl)pyridine-4-acetonitrile