117333-18-3 2-Iodo-7,8-dibromodibenzo-1,4-dioxin 2-Iodo-7,8-dibromodibenzo-p-dioxin 7-(125)I-Iodo-2,3-dibromodibenzo-p-dioxin 7-Iodo-2,3-dibromodibenzo-p-dioxin Dibenzo(b,e)(1,4)dioxin, 2,3-dibromo-7-iodo- IDDD