From: Antiviral activity of phenanthrenes from the medicinal plant Bletilla striata against influenza A virus
Compound
IC50 (μM)
1
72.6 ± 6.5
2
-
3
16.8 ± 1.6
4
21.7 ± 2.9
5
6
16.1 ± 2.6
7
8
9
10
87.5 ± 10.1
11
57.6 ± 5.9
12
Oseltamivir
0.3 ± 0.02