2-Cyano-3-nitro-6-(trifluoromethoxy)pyridine-4-sulfonamide
4-(Bromomethyl)-2-cyano-6-fluoro-3-(trifluoromethoxy)pyridine
Ethyl 2-(aminomethyl)-3-cyano-4-(trifluoromethoxy)pyridine-5-acetate
Methyl 3-(aminomethyl)-6-cyano-4-(trifluoromethoxy)pyridine-2-acetate