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