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