Fig. 4
From: Ginkgolic acid and anacardic acid are specific covalent inhibitors of SARS-CoV-2 cysteine proteases
Antiviral determination of ginkgolic acid and anacardic acid against authentic SARS-CoV-2 in vitro. a Cytotoxicity curves of ginkgolic acid and anacardic acid in Vero-E6 cells. The CC50 and CC10 values are displayed in the bottom left corner for each compound. The data represent mean ± standard deviation (SD) of the triplicate measurements. b Plaque reduction assay of ginkgolic acid and anacardic acid as well as GRL-0617 (30 µM) against authentic SARS-CoV-2 at indicated concentrations. **p < 0.01,***p < 0.001; student’s t test