3,3',4,4'-Biphenyltetracar...
4,4'-Oxydiphthalic anhydri...
1,3-Isobenzofurandione BPA...
2,3,3',4'-Biphenyltetracar...
Pyromellitic dianhydride P...
4,4'-(1,3-Phenylenedioxy)d...
1,4-Bis(4-aminophenoxy)benze...
4,4'-Oxydianiline ODA ...
4,4'-(4,4'-Isopropylidenedip...
4,4'-(9-Fluorenylidene)diani...