Chemical Name : 2,3,3',4-biphenyl tetracarboxylic acid dianhydride(α-BPDA)
CAS : 36978-41-3
1,2-Dibromo-3,5-dimethylbenzene
3-Fluoro-4-methylbenzenesulfonamide
2,4-Difluoronitrobenzene
5-Chloro-2,4-difluorobenzenesulfonyl chloride
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