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3,3',4,4'-biphenyltetracarboxylic dianhydride(BPDA)
Name：3,3',4,4'-biphenyltetracarboxylic dianhydride(BPDA)
CAS No：2420-87-3
Structural formula：
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2-Trifluoromethylbenzidine
Next product：
4,4'-(Hexafluoroisopropylidene)diphthalic anhydride（6FDA）
