Trimellitic anhydride552-30-7100 % similar Benzophenonetetracarboxylic dianhydride2421-28-565 % similar Trimellitic acid528-44-963 % similar Trimellitic anhydride chloride1204-28-059 % similar Ethylene glycol bis(anhydrotrimellitate)1732-96-359 % similar 1,3-Dihydro-1-oxo-5-isobenzofurancarboxylic acid4792-29-457 % similar 4,4′-Oxydiphthalic anhydride1823-59-256 % similar Bpda2420-87-355 % similar 2-Anthraquinonecarboxylic acid117-78-254 % similar 2-Aminoterephthalic acid10312-55-753 % similar 4-Hydroxyisophthalic acid636-46-453 % similar 2,6-Naphthalenedicarboxylic acid1141-38-452 % similar Bromoterephthalic acid586-35-651 % similar 4-Bromo-1,3-benzenedicarboxylic acid6939-93-151 % similar 4-Methoxy-1,3-benzenedicarboxylic acid2206-43-151 % similar Terephthalic acid100-21-050 % similar 4-Chlorophthalic anhydride118-45-650 % similar 4-Methylphthalic anhydride19438-61-050 % similar Benzophenonetetracarboxylic acid2479-49-450 % similar 4-Fluorophthalic anhydride319-03-950 % similar