3-Bromo-6-(bromomethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine
5-Bromo-2-(bromomethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine
4-Bromo-5-(bromomethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine
4-Bromo-5-(bromomethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine