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