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