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