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