Ethyl 4-cyano-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-acetate
3-Cyano-5-methyl-4-(trifluoromethoxy)pyridine-2-sulfonamide
2-Cyano-3-(fluoromethyl)-6-nitro-4-(trifluoromethoxy)pyridine
5-Cyano-4-methyl-2-(trifluoromethoxy)pyridine-3-sulfonamide