Skip to main content
. 2023 Jan 28;16(2):190. doi: 10.3390/ph16020190

Table 1.

Inhibition of SARS-CoV-2 Mpro by natural and synthesized compounds.

Chemical Structure SARS-CoV-2 Mpro
% Inhibition at
10 μM
IC50 (μM)
Inline graphic
(+)-Nootkaton
32.04 >10
Inline graphic
Costunolide
27.96 >10
Inline graphic
Alantolacton
27.55 >10
Inline graphic
(−)-Parthenolide
20.06 >10
Inline graphic
(−)-α-Santonin
24.13 >10
Inline graphic
Dehydrocostus lactone
13.39 >10
Inline graphic
Oridonin
81.87 4.67
Inline graphic
Osthole
4.98 >10
Inline graphic
Tanshinone I
7.03 >10
Inline graphic
Sinomenine
4.80 >10
Inline graphic
Resibufogenin
6.32 >10
Inline graphic
Cinobufagin
0.53 >10
Inline graphic
α-Mangostin
38.56 25.12
Inline graphic
Gambogic acid
22.75 >10
Inline graphic
Loganin
29.43 >10
Inline graphic
l-Ascorbic acid
22.25 >10
Inline graphic
Fisetin
−11.21 >10
Inline graphic
Robinetin
86.13 0.96
Inline graphic
Myricetin
104.00 0.645
Inline graphic
Tricetin
72.28 7.84
Inline graphic
Luteoline
9.65 >10
Inline graphic
Scutellarein
76.07 6.07
Inline graphic
Myricitrin
11.67 >10
Inline graphic
Quercitrin
2.42 >10
Inline graphic
l-Epigallocatechin gallate
105.40 0.228
Inline graphic
Piceatannol
76.90 2.031
Inline graphic
Resveratrol
5.96 >10
Inline graphic

Rosmarinic acid
50.56 6.84
Inline graphic
Salvianolic acid A
50.84 28.38
Inline graphic
Orlistat
20.99 >10
Inline graphic
3-O-Ethyl-l-ascorbic acid
24.94 >10