Table 3.

IC₅₀ values (in μM) for inhibition of NO production and cytotoxicity of compounds 1–6, 8, 10 and 11.

Compound	Inhibition of NO Production	Cytotoxicity (at 72 h)
1	26.03 ± 3.73	>15.62
2	13.23 ± 0.57	>31.25
3	4.18 ± 0.48	>15.62
4	>62.5	>62.50
5	12.41 ± 1.04	>15.62
6	37.39 ± 2.51	>15.62
8	3.98 ± 0.60	>7.81
10	4.387 × 10−3 ± 0.851 × 10−3	>0.10
11	2.633 × 10−3 ± 0.238 × 10−3	>0.01