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