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