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