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