5-Cyano-2-(difluoromethyl)-3-methyl-6-(trifluoromethoxy)pyridine
4-(Chloromethyl)-6-cyano-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
6-Chloro-4-methyl-3-(trifluoromethoxy)pyridine-2-acetonitrile
4-(Chloromethyl)-2-cyano-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine