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