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