Table 3.

Neuroprotective Effects of Compounds 1–5 at concentration of 10⁻⁵ M (means ± SD, n = 6).

Sample	Serum Deprivation (%)	Nicouline 4 μM (%)
control	100.0 ± 3.7	100.0 ± 1.4
model	41.4 ± 3.8 ###	74.3 ± 1.4 ###
1	50.2 ± 12.7	78.6 ± 2.9
2	66.2 ± 12.6	78.4 ± 2.0 *
3	59.8 ± 2.7***	75.7 ± 3.0
4	50.9 ± 7.8	76.9 ± 3.6
5	70.2 ± 16.1	86.2 ± 7.6 ***

^###p < 0.001 vs. control,* p < 0.05,** p < 0.001, *** p < 0.0001 vs. model.