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