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