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