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