1,2,3,6,7,8-HEXACHLORODIBENZO-P-DIOXIN 1,2,3,6,7,8-HXCDD 1,2,3,6,7,8-Hcdd/1,2,3,7,8,9-hcdd 1,2,3,6,7,8-Hexa polychlorinated dibenzo-p-dioxin 1,2,3,6,7,8-Hexachlorodibenzo(b,e)(1,4)dioxin 1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin [Dioxin and dioxin-like compounds] 1,2,3,6,7,8-Hexachlorodibenzo-para-dioxin 1,2,3,6,7,8-Hexachlorodibenzodioxin 5-19-02-00042 (Beilstein Handbook Reference) 57653-85-7 BRN 1627652 CCRIS 323 Dibenzo(b,e)(1,4)dioxin, 1,2,3,6,7,8-hexachloro- Dibenzo-p-dioxin, 1,2,3,6,7,8-hexachloro- HSDB 4154 Hcdd mixture NCI-C03703