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2,2',4,5',6-五氯联苯,[60145-21-3],多氯联苯|2,2′,4,5′,6-五氯联苯|多氯联苯(PCBs)
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2,3,3',4,5',6-六氯联苯,[74474-43-8],多氯联苯|2,3,3′,4,5′,6-六氯联苯|多氯联苯(PCBs)
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2,3,3',4',5',6-六氯联苯,[74472-45-0],多氯联苯|2,3,3′,4′,5′,6-六氯联苯|多氯联苯(PCBs)
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2,3,3',5,5',6-六氯联苯,[74472-46-1],多氯联苯|2,3,3′,5,5′,6-六氯联苯|多氯联苯(PCBs)
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2,3,4,4',5,6-六氯联苯,[41411-63-6],多氯联苯|2,3,4,4′,5,6-六氯联苯|多氯联苯(PCBs)