英文同义词
1,2,4,6,8-pentachlorooxanthrene;1,2,4,6,8-PCDD;1,2,4,6,8-Pentachlorodibenzo[1,4]dioxin;1,2,4,6,8-Pentachlorodibenzo[b,e][1,4]dioxin;1,2,4,6,8/1,2,4,7,9-Pentachlorodibenzo-p-dioxin@50 μg/mL in Toluene;Dibenzo[b,e][1,4]dioxin, 1,2,4,6,8-pentachloro-