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3,4'-Oxydiphthalic anhydride50662-95-835 % similar 6-(Phenylamino)-5,8-quinolinedione91300-60-635 % similar Thiophene-2-carboxylic anhydride25569-97-534 % similar 3,3',4,4'-Diphenyl sulfone tetracarboxylic dianhydride2540-99-034 % similar 2-(Trifluoromethyl)nicotinic acid131747-43-834 % similar 2-(Methylthio)nicotinic acid74470-23-834 % similar 3-(Trifluoromethyl)pyridine-2-carboxylic acid87407-12-334 % similar Methyl 1H-pyrrolo(2,3-b)pyridine-2-carboxylate394223-02-034 % similar Trimellitic anhydride chloride1204-28-033 % similar 2-Amino-3-(methoxycarbonyl)pyrazine16298-03-633 % similar Carbonic acid di-2-pyridyl ester1659-31-033 % similar Ethylene bis[1,3-dihydro-1,3-dioxoisobenzofuran-5-carboxylate]1732-96-333 % similar Bis[(3,4-dicarboxylic anhydride) phenyl]terephthalate21117-79-333 % similar Methyl 3-chloropyrazine-2-carboxylate27825-21-433 % similar 4-tert-Butylphthalic anhydride32703-79-033 % similar Methyl pyridazine-3-carboxylate34253-02-633 % similar Tetraphenylphthalic anhydride4741-53-133 % similar Methyl 3-bromopyrazine-2-carboxylate51171-02-933 % similar Butylidenephthalide551-08-633 % similar Trimellitic anhydride552-30-733 % similar