英文别名HEPTACHLORODIBENZO-PARA-DIOXINS; 1,2,3,4,6,7,9-HPCDD; 1,2,3,4,6,7,9-CDD; 1,2,3,4,6,7,9-Heptachlorodibenzo[1,4]dioxin; 1,2,3,4,6,7,9-heptachlorodibenzodioxin; 1,2,3,4,6,7,9-heptachlorodibenzo-para-dioxin; 1,2,3,4,6,7,9-heptachloro-dibenzo-p-dioxi; Dibenzo-p-dioxin,1,2,3,4,6,7,9-heptachloro; 1,2,3,4,6,7,9-Cl7DD; 1,2,3,4,6,7,9-H7CDD 
