Trimellitic anhydride chloride1204-28-0100 % similar Benzophenonetetracarboxylic dianhydride2421-28-565 % similar Ethylene glycol bis(anhydrotrimellitate)1732-96-359 % similar Trimellitic anhydride552-30-759 % similar Bpda2420-87-355 % similar 4-Chlorophthalic anhydride118-45-655 % similar 4,4′-Oxydiphthalic anhydride1823-59-252 % similar Terephthaloyl chloride100-20-950 % similar 4-Methylphthalic anhydride19438-61-050 % similar 4-Fluorophthalic anhydride319-03-950 % similar 4-Bromophthalic anhydride86-90-850 % similar 4,4′-(Hexafluoroisopropylidene)diphthalic anhydride1107-00-249 % similar Trimethyl trimellitate2459-10-149 % similar Methyl 4-(chlorocarbonyl)benzoate7377-26-649 % similar Isophthaloyl chloride99-63-848 % similar 3,3′,4,4′-Diphenyl sulfone tetracarboxylic dianhydride2540-99-047 % similar 3,4-Dichlorobenzoyl chloride3024-72-447 % similar 4,5-Dichlorophthalic anhydride942-06-347 % similar Naphthalenetetracarboxylic dianhydride81-30-147 % similar Phthalic anhydride85-44-947 % similar