From: Antivirus isoindolinone alkaloids with rare oxocyclopenta[f]isoindole frameworks isolated from the stems of flue cured tobacco
No
% Inhibition at 20 µM
IC50 (µM)
1
43.8 ± 3.5
23.6
2
29.6 ± 2.8
46.7
3
58.8 ± 3.6
19.5
4
67.8 ± 3.4
15.4
Ningnanmycin
35.4 ± 3.2
38.0