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