4-Chloro-6-cyano-2-(trifluoromethoxy)pyridine-3-carboxylic acid
Ethyl 6-cyano-2-hydroxy-4-(trifluoromethoxy)pyridine-3-acetate
2-Chloro-6-(fluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetonitrile
Ethyl 2-cyano-6-hydroxy-3-(trifluoromethoxy)pyridine-4-acetate