2-(Chloromethyl)-5-cyano-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine
3-Cyano-5-(fluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Cyano-4-(fluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxylic acid
2-(Chloromethyl)-6-cyano-4-(trifluoromethoxy)pyridine-3-acetonitrile