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