1,3,7,8-TETRACHLORODIBENZO-P-DIOXIN 1,3,7,8-Tetrachlorodibenzo-4-dioxin 1,3,7,8-Tetrachlorodibenzo-para-dioxin 1,3,7,8-Tetrachlorodibenzodioxin 5-19-02-00041 (Beilstein Handbook Reference) 50585-46-1 BRN 1320995 Dibenzo(b,e)(1,4)dioxin, 1,3,7,8-tetrachloro- Dibenzo-p-dioxin, 1,3,7,8-tetrachloro-