4-(Chloromethyl)-3-(difluoromethyl)-2-(trifluoromethyl)pyridine-6-acetonitrile
4-(Chloromethyl)-3-(difluoromethyl)-2-(trifluoromethyl)pyridine-5-acetonitrile
4-(Chloromethyl)-6-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-acetonitrile
4-(Chloromethyl)-2-(difluoromethyl)-6-(trifluoromethyl)pyridine-3-acetonitrile