4-Cyano-5-fluoro-3-(trifluoromethoxy)pyridine-2-acetonitrile
4-Cyano-3-fluoro-2-(trifluoromethoxy)pyridine-5-acetonitrile
5-Fluoro-2-methyl-3-(trifluoromethoxy)pyridine-6-sulfonamide
4-Fluoro-3-hydroxy-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine