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