1 2 3 4 7 8-hexachloro dibenzo-p-dioxin July 8, 2019 16 32 64 128 1 2 3 6 7 8-hexachlorodibenzo-p-dioxin 1 2 3 7 8-pentachlorodibenzo-p-dioxin 2 3-дихлор-5 6-дициано-1 4-бензохинон 1 2 3 7 8 9-hexachlorodibenzofuran
