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
3-(Aminomethyl)-6-cyano-2-(trifluoromethoxy)pyridine-5-carboxylic acid