Chemical Name : 2,3,3',4-biphenyl tetracarboxylic acid dianhydride(α-BPDA)
CAS : 36978-41-3
4-溴-1,2-苯二胺
4-丙氧基-4'-氰基联苯
3,5-二氯甲苯
1,3-二碘苯
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