2HD6:
reference: Carbonic anhydrase inhibitors: Hypoxia-activatable sulfonamides incorporating disulfide bonds that target the tumor-associated isoform IX., De Simone G, Vitale RM, Di Fiore A, Pedone C, Scozzafava A, Montero JL, Winum JY, Supuran CT, J Med Chem. 2006 Sep 7;49(18):5544-51. PMID: 16942027

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