Table 4.

The cytotoxic activity of compounds on BV2 microglial cells (n = 3).

Compounds	Cell Viability
	5.0 μM	10.0 μM	20.0 μM	40.0 μM	80.0 μM
1	99.74 ± 1.21	99.28 ± 1.32	99.35 ± 1.26	99.62 ± 1.89	99.70 ± 1.36
2	98.32 ± 2.05	98.25 ± 1.87	98.16 ± 1.25	98.56 ± 1.37	98.26 ± 1.88
3	91.74 ± 1.11 *	90.28 ± 1.82 *	89.35 ± 1.35 *	88.62 ± 1.21 *	88.50 ± 1.32 *
4	99.36 ± 1.31	99.37 ± 1.21	99.67 ± 1.32	99.57 ± 1.53	99.33 ± 1.30
5	98.21 ± 1.93	99.33 ± 1.54	99.32 ± 1.32	99.21 ± 1.66	99.13 ± 1.28
6	102.21 ± 1.03	102.28 ± 1.56	103.35 ± 1.58	103.26 ± 1.28	103.22 ± 1.89
7	101.55 ± 1.42	101.68 ± 1.36	101.76 ± 1.47	101.38 ± 1.58	101.68 ± 1.38
Control group	100.00 ± 1.51	100.00 ± 1.26	100.00 ± 1.56	100.00 ± 1.78	100.00 ± 1.55
Dexamethasone a	101.02 ± 1.01	99.98 ± 1.32	100.25 ± 1.67	101.37 ± 1.83	99.78 ± 1.63

^a Positive control; * p < 0.05 vs. control group.