Ethyl 5-chloro-4-cyano-2-(trifluoromethoxy)pyridine-3-carboxylate
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