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