| 英文名称: | | [5,5'-Biisobenzofuran]-1,1',3,3'-tetrone, polymer with 1,4-benzenediamine | | [5,5'-biisobenzofuran]-1,1'3,3'-tetrone, polymer with 1,4-benzenediamine | | poly(biphenyltetracarboxylic dianhydride-co-pheny | | [5,5'-Biisobenzofuran]-1,1',3,3'-tetrone,polymer with 1,4-benzenediamine |
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