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