1,2-DINITROSOBENZENE 4-05-00-00707 (Beilstein Handbook Reference) 7617-57-4 BRN 2353866 Benzene, 1,2-dinitroso- Benzene, 1,2-dinitroso- (9CI) Benzene, o-dinitroso- HSDB 2909 NSC 404698