4-Cyano-6-methoxy-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Cyano-5-(fluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine
3-Cyano-5-methoxy-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-Fluoro-3-nitro-2-(trifluoromethoxy)pyridine-6-carbonyl chloride