4-Fluoro-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetonitrile
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