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