2,3-Bis(bromomethyl)-1,4-benzodiazine 2,3-Bis(bromomethyl)quinoxaline 3138-86-1 5-23-07-00271 (Beilstein Handbook Reference) BRN 0137771 EINECS 221-538-4 NSC 38602 QUINOXALINE, 2,3-BIS(BROMOMETHYL)-