| 英文名称: | | 1h,3h-benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone, polymer with 4-(4-aminophenox | | y)-1,2-benzenediamine and 4,4'-oxybis[benzenamine] | | 1h,3h-benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone,polymer with 4-(4-aminophenoxy)-1,2-benzenediamine and4,4'-oxybis[benzenamine] |
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