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