?? | ?? ?? | CAS | MF |
---|---|---|---|
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1,1-?????? | 75-34-3 | C2H4Cl2 |
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2,2',3,4',5,6-HEXACHLOROBIPHENYL | 68194-13-8 | C12H4Cl6 |
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2,2',3,6'-TETRACHLOROBIPHENYL | 41464-47-5 | C12H6Cl4 |