Chemical Name : 2,3,3',4-biphenyl tetracarboxylic acid dianhydride(α-BPDA)
CAS : 36978-41-3
1,2-difluoro-3,4,5-tribromobenzene
1-Chloro-3,5-difluorobenzene
1,4-Dibromo-2,3,5,6-tetrafluorobenzene
1,3-Dimethoxy-5-fluorobenzene
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