Methyl 2-(aminomethyl)-5-cyano-3-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 2-cyano-5-nitro-3-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 2-(aminomethyl)-4-cyano-6-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 3-cyano-4-nitro-6-(trifluoromethoxy)pyridine-2-acetate