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