1,3-Dichloro-4,6-dinitrobenzene 1,5-Dichloro-2,4-dinitrobenzene 2,4-Dichloro-1,5-dinitrobenzene 3698-83-7 4,6-Dichloro-1,3-dinitrobenzene AI3-28912 Benzene, 1,5-dichloro-2,4-dinitro- EINECS 223-027-1 NSC 28971