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4,4'-hexafluoroisopropylidine diphthalic anhydride
polym. 4,4'一六氟亚异丙基二邻苯二甲酸酐 (6FDA); 六氟二酐俗 (6FDA)
4,4'-hexafluoroisopropylidine-diphthalic anhydride
polym. 4'一六氟亚异丙基二邻苯二甲酸酐; 六氟二酐俗

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