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