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