3-Cyano-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-acetonitrile
5-Cyano-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-acetonitrile
2-Cyano-3-methyl-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
6-Chloro-4-nitro-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride