2-Bromo-3-(bromomethyl)-6-(trifluoromethoxy)pyridine-5-acetic acid
2-Bromo-3-(bromomethyl)-5-(trifluoromethoxy)pyridine-6-acetic acid
4-Bromo-3-(bromomethyl)-6-(trifluoromethoxy)pyridine-2-carboxylic acid
4-Bromo-3-(bromomethyl)-5-(trifluoromethoxy)pyridine-2-carboxylic acid