Table 3. Cell Viability (%) of RAW 264.7 Macrophages After Treatment with Compounds 1–5^a.

	cell viability (%)
compound	25 μM	50 μM	100 μM
control	100 ± 1.3
1	95.3 ± 1.7	96.9 ± 2.8	101.8 ± 6
2	102.3 ± 1.3	100.5 ± 1.3	103.4 ± 1.7
3	102.1 ± 5.8	109.1 ± 3	114.6 ± 1.4
4	103.6 ± 2.4	104.1 ± 3.5	92.6 ± 3.1
5	92.3 ± 1.5	94.8 ± 0.7	98.1 ± 1.8

^aResults are mean ± standard error of the mean (SEM), n = 5.