2 3 7 8 tcdd dioxin July 8, 2019 16 32 64 128 2 3 7 8 tetrachlorodibenzo p dioxin tcdd 2 3 7 8 - tetrachlorodibenzo-p-dioxin (tcdd) 2 3 7 8 tetrachlorodibenzo-para-dioxin tcdd
