2,5-Cyclohexadiene-1,4-diimine, N,N'-dibromo-2-methyl- 4-07-00-02089 (Beilstein Handbook Reference) 90932-85-7 BRN 3247953 N,N'-Dibromo-2-methyl-2,5-cyclohexadiene-1,4-diimine NSC 344497