Ethyl 4-(aminomethyl)-2-cyano-3-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 3-(aminomethyl)-5-cyano-2-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 2-(aminomethyl)-5-cyano-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 2-fluoro-5-(fluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylate