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