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