4-(Bromomethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-3-acetic acid
3-(Bromomethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-6-acetic acid
3-(Bromomethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine-2-acetic acid
3-(Bromomethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-6-acetic acid