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Table 5 NA inhibitory activity of phenanthrenes from Bletilla striata

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
  1. -: Inhibitory effect on the NA was less than 50%.
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