Chemical Name : 2,3,3',4-biphenyl tetracarboxylic acid dianhydride(α-BPDA)
CAS : 36978-41-3
1-Bromo-4-ethylbenzene
1-Bromo-4-chloro-2,6-difluorobenzene
2,4,5-Trifluorotrichloromethyl benzene
1-Chloro-4-fluorobenzene
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