3-Cyano-6-(fluoromethyl)-2-methoxy-5-(trifluoromethoxy)pyridine
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