1,2,4,6,8,9-HEXACHLORODIBENZO-P-DIOXIN 1,2,4,6,8,9-Hexachlorodibenzo(b,e)(1,4)dioxin 58802-09-8 Dibenzo(b,e)(1,4)dioxin, 1,2,4,6,8,9-hexachloro-