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