Chemical Name : 2,3,3',4-biphenyl tetracarboxylic acid dianhydride(α-BPDA)
CAS : 36978-41-3
1-nitrobenzene
3,5-Dibromobenzenesulfonyl chloride
1-bromo-2,6-dimethyl-4-fluorobenzene[2,6-dimethyl-4-fluorobromobenzene]
4-Chloro-3-fluoronitrobenzene
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