2,2-Bis[4-(3,4-dicarboxyphenoxy)phenyl]propanedianhydride;4,4'-(4,4'-Isopropylidenediphenoxybis(phthalic anhydride);4,4'-[4,4'-Isopropylidenedi(p-phenyleneoxy)]bis(phthalic anhydride);4,4'-[Isopropylidenebis(p-phenyleneoxy)]diphthalic anhydride;BPADA;BisphenolA dianhydride;Ultem DA;
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