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