Inhibitory activity of compounds 1–8 on the NO production in LPS-activated RAW264.7 cells.
| Comp | IC50 (μM) | Comp | IC50 (μM) |
|---|---|---|---|
| 1 | 25.3 ± 1.5 | 5 | 20.2 ± 2.4 |
| 2 | 37.7 ± 2.1 | 6 | 31.1 ± 2.7 |
| 3 | 16.8 ± 1.0 | 7 | 36.6 ± 1.8 |
| 4 | 18.8 ± 1.4 | 8 | 10.2 ± 0.2 |
| l-NMMAa | 31.5 ± 2.6 |
NG-monomethyl-l-arginine acetate salt (l-NMMA) was as a positive control.