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