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