1,4,7,8-TCDD;1,4,7,8-Tetrachlorodibenzo[1,4]dioxin;1,4,7,8-Tetrachlorodibenzo[b,e][1,4]dioxin;1,4,7,8-Tetrachlorodibenzodioxin;1,4,7,8-Tetrachlorodibenzo-p-dioxin
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