2-Cyano-3-fluoro-5-(trifluoromethoxy)pyridine-4-carboxylic acid
3-Cyano-6-fluoro-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-Chloro-6-nitro-2-(trifluoromethoxy)pyridine-3-acetonitrile
5-Cyano-2-fluoro-4-(trifluoromethoxy)pyridine-3-carboxaldehyde