Ethyl 2,4-dibromo-3-(trifluoromethoxy)pyridine-5-carboxylate
5-(Bromomethyl)-4-methoxy-3-(trifluoromethoxy)pyridine-2-acetic acid
3-(Bromomethyl)-4-methoxy-2-(trifluoromethoxy)pyridine-5-acetic acid
3-(Bromomethyl)-2-methoxy-4-(trifluoromethoxy)pyridine-5-acetic acid