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