1,3-DICHLORODIBENZO-P-DIOXIN 1,3-Dichlorodibenzo-para-dioxin 5-19-02-00039 (Beilstein Handbook Reference) 50585-39-2 BRN 1315209 Dibenzo(b,e)(1,4)dioxin, 1,3-dichloro- Dibenzo-p-dioxin, 1,3-dichloro-