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