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