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