4-Cyano-5-nitro-3-(trifluoromethoxy)pyridine-2-sulfonamide
Ethyl 3-(aminomethyl)-4-cyano-6-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 3-(aminomethyl)-4-cyano-2-(trifluoromethoxy)pyridine-6-carboxylate
3-Fluoro-5-hydroxy-2-(trifluoromethoxy)pyridine-6-acetonitrile