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4-Bromophthalic anhydride86-90-8100 % similar 5,5'-Bi-2-benzofuran-1,1',3,3'-tetrone2420-87-361 % similar 4-Hydroxyphthalic anhydride27550-59-060 % similar 4,4'-Oxydiphthalic anhydride1823-59-257 % similar 2,6-Dibromoanthraquinone633-70-555 % similar 4-Chlorophthalic anhydride118-45-655 % similar 4,4'-(1,4-Phenylenedioxy)bisphthalic Anhydride17828-53-455 % similar 4-Methylphthalic anhydride19438-61-055 % similar 4,4'-Carbonyldiphthalic anhydride2421-28-555 % similar 4-Fluorophthalic anhydride319-03-955 % similar 6-Bromo-3 H-isobenzofuran-1-one19477-73-753 % 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 bis[1,3-dihydro-1,3-dioxoisobenzofuran-5-carboxylate]1732-96-350 % similar Bis[(3,4-dicarboxylic anhydride) phenyl]terephthalate21117-79-350 % similar