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