2-Chloro-3-(chloromethyl)-5-(trifluoromethoxy)pyridine-4-acetonitrile
4-Cyano-2-hydroxy-6-(trifluoromethoxy)pyridine-3-acetic acid
Ethyl 3-chloro-4-cyano-5-(trifluoromethoxy)pyridine-2-carboxylate
4-Cyano-2-hydroxy-3-(trifluoromethoxy)pyridine-6-acetic acid