4-Bromophthalic anhydride86-90-8100 % similar Bpda2420-87-361 % similar 4,4′-Oxydiphthalic anhydride1823-59-257 % similar 4-Chlorophthalic anhydride118-45-655 % similar 4-Methylphthalic anhydride19438-61-055 % similar Benzophenonetetracarboxylic dianhydride2421-28-555 % similar 4-Fluorophthalic anhydride319-03-955 % similar 5-Bromophthalide64169-34-253 % similar Naphthalenetetracarboxylic dianhydride81-30-152 % similar Phthalic anhydride85-44-952 % similar 3,3′,4,4′-Diphenyl sulfone tetracarboxylic dianhydride2540-99-052 % similar Methyl 2,5-dibromobenzoate57381-43-851 % similar Trimellitic anhydride chloride1204-28-050 % similar Methyl 2-amino-4-bromobenzoate135484-83-250 % similar Ethylene glycol bis(anhydrotrimellitate)1732-96-350 % similar 4-tert-Butylphthalic anhydride32703-79-050 % similar Trimellitic anhydride552-30-750 % similar 4-Bromophthalic acid6968-28-150 % similar 2,3-Naphthalenedicarboxylic anhydride716-39-250 % similar Methyl 5-bromo-2-methylbenzoate79669-50-450 % similar