Synonyms:
hydroquinone diphthalic anhydride ; 4,4'-(4,1-phenylenedioxy)bis[phthalic anhydride] ; 1,4-diphenoxybenzene-3',4',3'',4''-tetracarboxylic acid anhydride ; 4,4'-(p-phenylenedioxy)bis[phthalic anhydride] ; 1,3-isobenzofurandione,5,5'-[1,4-phenylenebis(oxy)]bis- ; hqdpa ; phthalicanhydride, 4,4'-(p-phenylenedioxy)di- (8ci) ; 1,4-bis(3,4-dicarboxyphenoxy)benzene dianhydride(hqdpa) ; 1,4-diphenoxybenzene-3',4',3'',4''-tetracarboxylic acidanhydride ; hqda ; 1,4-bis(3,4-dicarboxyphenoxy)benzene dianhydride