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