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