Chemical Name : 2,3,3',4-biphenyl tetracarboxylic acid dianhydride(α-BPDA)
CAS : 36978-41-3
1-(2-溴乙氧基)-4-氯苯
2-Bromo-1-chloro-4-iodobenzene
5-溴-2-氟-1,3-二甲基苯
2-氯-6-氟硝基苯
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