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