Table 3. Inhibition of NO production of compounds 1–19.

Compound	IC50 (µM)	Compound	IC50 (µM)
1	15.79 ± 0.27	11	8.62 ± 0.86
2	15.61 ± 0.06	12	6.59 ± 0.22
3	13.61 ± 0.79	13	10.44 ± 0.73
4	14.33 ± 0.30	14	> 20
5	12.76 ± 0.22	15	> 20
6	7.77 ± 0.24	16	> 20
7	> 20	17	> 20
8	12.32 ± 0.21	18	> 20
9	12.43 ± 0.47	19	> 20
10	7.48 ± 0.57	Grossamide	9.23 ± 0.05