Chemical Name : 2,3,3',4-biphenyl tetracarboxylic acid dianhydride(α-BPDA)
CAS : 36978-41-3
1,3-bis(difluoromethoxy)benzene
2,5-Dimethybenzenesulfonyl chloride
2-Chloro-3-fluoronitrobenzene
4-Tert-butyliodobenzene
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