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. 2022 Nov 9;130:106264. doi: 10.1016/j.bioorg.2022.106264

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Fig. 1 — Screening of SARS-CoV-2 3CL^pro inhibitors. (A) The chemical structures of Cetylpyridinium chloride monohydrate, Cetrimonium bromide, Otilonium bromide and Thonzonium bromide. (B) The inhibitory effects of four compounds on SARS-CoV-2 3CL^pro at four different concentrations.