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