2,3,7,8-TETRACHLORODIBENZOFURAN 2,3,7,8-Tetrachlorodibenzofuran [Dioxin and dioxin-like compounds] 2,3,7,8-Tetrapolychlorinated dibenzofuran 5-17-02-00238 (Beilstein Handbook Reference) 51207-31-9 BRN 1430934 Dibenzofuran, 2,3,7,8-tetrachloro- HSDB 4306 NCI-C56611 TCDF Tcdbf