4-(Difluoromethyl)-3-methyl-2-(trifluoromethyl)pyridine-5-acetonitrile
3-(Difluoromethyl)-4-methyl-2-(trifluoromethyl)pyridine-5-acetonitrile
3-(Difluoromethyl)-2-methyl-4-(trifluoromethyl)pyridine-5-acetonitrile
6-(Difluoromethyl)-4-methyl-3-(trifluoromethyl)pyridine-2-acetonitrile