Synonyms: | Phthalicanhydride, 4,4'-(p-phenylenedioxy)di- (8CI); 1,4-Bis(3,4-dicarboxyphenoxy)benzene dianhydride; 1,4-Diphenoxybenzene-3',4',3'',4''-tetracarboxylic acidanhydride; 4,4'-(4,1-Phenylenedioxy)bis[phthalic anhydride];4,4'-(p-Phenylenedioxy)bis[phthalic anhydride] |