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SARS-CoV-2-IN-15 (compound 11) is a potent inhibitor of SARS-CoV-2 with an IC50 of 0.49 μM. SARS-CoV-2-IN-15 is a niclosamide analogue. SARS-CoV-2-IN-15 contains higher stability in human plasma and liver S9 enzymes assay than niclosamide, which can improve bioavailability and half-life when administered orally[1].

[1] Juang YP, et al. Design, synthesis and biological evaluations of niclosamide analogues against SARS-CoV-2. Eur J Med Chem. 2022 May 5;235:114295. DOI:10.1016/j.ejmech.2022.114295