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. 2021 Dec 2;31(1):40–51. doi: 10.1007/s00044-021-02826-2

Table 3.

IC50 value ranges of flavonoids and chalcones with SARS-CoV and MERS-CoV CLPro and PLPro [59]

IC50 Value Ranges (μM)
SARS-CoV CLPro SARS-CoV PLPro MERS-CoV CLPro MERS-CoV PLPro
Flavonoids 8.3–381 3.7–66.2 34.7–125.7 48.8–206.6
Chalcones 11.4–202.7 1.2–46.4 27.9–193.7 42.1–171.6