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