Chemical Name : 4,4'-BIPHENYLDICARBONITRILE
CAS : 1591-30-6
1,3-Dibromo-2,5-dichlorobenzene
1-溴-2,4-二氯苯
1-氯-3,5-二甲氧基苯
2,3,3',4'-联苯四甲酸二酐
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