1,2,3,6,8,9-hexachlorodibenzo-p-dioxin

1,2,3,6,7,8-六氯二苯并-对-二恶英

1,2,3,6,7,9-六氯二苯并对二恶英

1,2,4,6,7,9-六氯二苯并二恶因

1,2,3,7,8,9-六氯二苯并-对-二恶英