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![Cyclobuta [1, 2- c: 3, 4- c '] difuran -1, 3,4, 6- tetrone, tetrahydro -3 a, 6a-dimethyl cas: {11 {{{{{{{}]()
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![1, 3- isobenzofurandione, 5,5 '-(1, 4- fenylen) bis-cas: 106070-55-7]()
1, 3- isobenzofurandione, 5,5 '-(1, 4- fenylen) bis-cas: 106070-55-7
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![9,9-Bis(4-aminofenyl)fluor CAS: 15499-84-0]()
9,9-Bis(4-aminofenyl)fluor CAS: 15499-84-0
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![4-Fenyletynylftalsyreanhydrid CAS:119389-05-8]()
4-Fenyletynylftalsyreanhydrid CAS:119389-05-8
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![4,4'-Oksydifritalisk anhydrid CAS: 1823-59-2]()
4,4'-Oksydifritalisk anhydrid CAS: 1823-59-2
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![2,3,3',4'-Tetracarboxydiphenyl Oksid Dianhydrid CAS: 50662-95-8]()
2,3,3',4'-Tetracarboxydiphenyl Oksid Dianhydrid CAS: 50662-95-8
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![3,3',4,4'-Benzophenonetetracarboxylic Dianhydride CAS: 2421-28-5]()
3,3',4,4'-Benzophenonetetracarboxylic Dianhydride CAS: 2421-28-5
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![2,2'-Bis(trifluoromethyl)benzidin CAS: 341-58-2]()
2,2'-Bis(trifluoromethyl)benzidin CAS: 341-58-2
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![2,2-bis(3,4-dimetylfenyl)heksafluorpropan CAS: 65294-20-4]()
2,2-bis(3,4-dimetylfenyl)heksafluorpropan CAS: 65294-20-4
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![4,4'-(Hexafluoroisopropylidene)diphthalic Anhydride CAS: 1107-00-2]()
4,4'-(Hexafluoroisopropylidene)diphthalic Anhydride CAS: 1107-00-2
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![3,3',4,4'-Bifenyl Tetracarboxylic Dianhydride CAS: 2420-87-3]()
3,3',4,4'-Bifenyl Tetracarboxylic Dianhydride CAS: 2420-87-3
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![2,3,3',4'-Bifenyl Tetracarboxylic Dianhydride CAS: 36978-41-3]()
2,3,3',4'-Bifenyl Tetracarboxylic Dianhydride CAS: 36978-41-3
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![Cyclobuta [1, 2- c: 3, 4- c '] difuran -1, 3,4, 6- tetrone, tetrahydro -3 a, 6a-dimethyl cas: {11 {{{{{{{}](/uploads/36261/small/cyclobuta-1-2-c-3-4-c-difuran-1-3-4-6-tetrone137b2.png)
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