2051-24-3
十氯联苯
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5411-84-7
2,3,5,6-tetrachloro-4-(2,3,5,6-tetrachloro-4-oxocyclohexa-2,5-dien-1-ylidene)cyclohexa-2,5-dien-1-one
21647-18-7
2,2',3,3',5,5',6,6'-octachloro-4,4'-biphenol