0-10-00-00902 (Beilstein Handbook Reference) 1,4-Cyclohexadiene-1,2-dicarbonitrile, 4,5-dibromo-3,6-dioxo- 2,3-Dibromo-5,6-dicyano-p-benzoquinone 4,5-Dibromo-3,6-dioxo-1,4-cyclohexadiene-1,2-dicarbonitrile 4587-25-1 BRN 2696672 NSC 92514