1,2,3,7,8,9-HEXACHLORODIBENZO-P-DIOXIN 1,2,3,7,8,9-Hexachlorodibenzo(b,e)(1,4)dioxin 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin [Dioxin and dioxin-like compounds] 19408-74-3 5-19-02-00042 (Beilstein Handbook Reference) BRN 1353896 D 70 Dibenzo-p-dioxin, 1,2,3,7,8,9-hexachloro- HSDB 6866