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4,4′-(Hexafluoroisopropylidene)diphthalic anhydride1107-00-249 % similar 4-(Phenylethynyl)phthalic anhydride119389-05-847 % similar 4-Nitrophthalic anhydride5466-84-247 % similar 4,5-Difluorophthalic anhydride18959-30-347 % similar 4,5-Dichlorophthalic anhydride942-06-347 % similar 4-META70293-55-947 % similar Triallyl trimellitate2694-54-446 % similar Perylenetetracarboxylic dianhydride128-69-845 % similar 2,3′,3,4′-Biphenyltetracarboxylic dianhydride36978-41-345 % similar 2,2-Bis(4-(3,4-dicarboxyphenoxy)phenyl)propane dianhydride38103-06-943 % similar 3,4'-Oxydiphthalic anhydride50662-95-843 % similar Pyridine-3,4-dicarboxylic anhydride4664-08-842 % similar 3-Chlorophthalic anhydride117-21-540 % similar Benzoic anhydride93-97-040 % similar 1,8-Naphthalic anhydride81-84-539 % similar 3,4-Dihydroxybenzophenone10425-11-339 % similar 1,3-Dibenzoylbenzene3770-82-939 % similar 2,3',4,4'-Tetrahydroxybenzophenone61445-50-938 % similar p-Anisic anhydride794-94-538 % similar 1,4-Dibenzoylbenzene3016-97-538 % similar