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