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