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