Chemical Name : 4,4'-BIPHENYLDICARBONITRILE
CAS : 1591-30-6
[1,1'-联苯]-2-磺酰氯
2-溴-5-氯对二甲苯
2,3,3',4'-联苯四甲酸二酐
1-溴-3,4-二氯苯
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