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3,3',4,4'-Diphenyl sulfone tetracarboxylic dianhydride2540-99-042 % similar Perylenediimide81-33-442 % similar Pyridine-3,4-dicarboxylic anhydride4664-08-842 % similar 4-Sulfonaphthalic anhydride potassium salt71501-16-141 % similar 4,5-Difluorophthalic anhydride18959-30-341 % similar 4,5-Dichlorophthalic anhydride942-06-341 % similar Trimellitic anhydride chloride1204-28-041 % similar Ethylene bis[1,3-dihydro-1,3-dioxoisobenzofuran-5-carboxylate]1732-96-341 % similar Bis[(3,4-dicarboxylic anhydride) phenyl]terephthalate21117-79-341 % similar 4-tert-Butylphthalic anhydride32703-79-041 % similar Trimellitic anhydride552-30-741 % similar 3-Hydroxy-1,8-naphthalic anhydride23204-36-641 % similar 4,4′-(Hexafluoroisopropylidene)diphthalic anhydride1107-00-240 % similar 3-Chlorophthalic anhydride117-21-539 % similar Furo[3,4-b]pyridine-5,7-dione699-98-939 % similar Benzoic anhydride93-97-039 % similar 4-(Phenylethynyl)phthalic anhydride119389-05-839 % similar 4-Nitrophthalic anhydride5466-84-239 % similar Fluorescent yellow 8G2744-50-538 % similar Pigment red 1906424-77-738 % similar