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![4-Hydroxy-5-aminosulfonyl 2-[(furan-2-ylmethyl)amino]benzoic acid (impurity Q)](/upload/image/thumb/1_300_300_20250318202503181048.jpg)
4-Hydroxy-5-aminosulfonyl 2-[(furan-2-ylmethyl)amino]benzoic acid (impurity Q)
