Ethyl 3-bromo-4-(bromomethyl)-2-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 3-bromo-2-(bromomethyl)-6-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 3-bromo-2-(bromomethyl)-5-(trifluoromethoxy)pyridine-6-carboxylate
4-Bromo-6-(bromomethyl)-2-(trifluoromethoxy)pyridine-3-acetic acid