4-Fluoro-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetonitrile
5-Fluoro-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetonitrile
5-Cyano-2-nitro-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
3-Cyano-6-nitro-2-(trifluoromethoxy)pyridine-5-sulfonamide