1,2,3,4,6,7,8,9-Octachlorodibenzofuran 1,2,3,4,6,7,8,9-Octachlorodibenzofuran [Dioxin and dioxin-like compounds] 39001-02-0 Dibenzofuran, octachloro- F 135 OCTACHLORODIBENZOFURAN Octapolychlorinated dibenzofuran Perchlorodibenzofuran