4-Cyano-6-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetonitrile
5-Cyano-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-4-acetonitrile
2-(Chloromethyl)-6-cyano-4-(trifluoromethoxy)pyridine-3-methanol
4-Cyano-3-fluoro-6-(trifluoromethoxy)pyridine-2-acetic acid