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