2-Cyano-5-fluoro-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
2-Cyano-3-fluoro-5-(fluoromethyl)-6-(trifluoromethoxy)pyridine
2-Cyano-3-fluoro-6-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-Fluoro-6-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxylic acid