2-Cyano-3-methoxy-5-(trifluoromethoxy)pyridine-6-carboxylic acid
Methyl 4-cyano-2-methoxy-5-(trifluoromethoxy)pyridine-3-acetate
Ethyl 3-fluoro-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 3-cyano-5-methoxy-4-(trifluoromethoxy)pyridine-2-acetate