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