1,2,3,4,6,7,9-HEPTACHLORODIBENZO-P-DIOXIN 1,2,3,4,6,7,9-Heptachlorodibenzo-para-dioxin 1,2,3,4,6,7,9-Heptachlorodibenzodioxin 5-19-02-00042 (Beilstein Handbook Reference) 58200-70-7 BRN 1630270 Dibenzo(b,e)(1,4)dioxin, 1,2,3,4,6,7,9-heptachloro- Dibenzo-p-dioxin, 1,2,3,4,6,7,9-heptachloro-