Chemical Name : 2,3,3',4-biphenyl tetracarboxylic acid dianhydride(α-BPDA)
CAS : 36978-41-3
2-溴-4-氟-1-硝基苯
2-溴-5-氯对二甲苯
2-氯乙基 4-硝基苯基醚
3-氟-2-甲基苯磺酰氯
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