Table 5. Neuroprotective Effects against H₂O₂-Induced Cell Death in SH-SY5Y Cells.

compound	survival rate (%)a	compound	survival rate (%)a
	12.5 μmol/L		12.5 μmol/L
1	62.64 ± 1.32	12	55.72 ± 0.64
2	70.21 ± 1.22	13	58.87 ± 1.48
3	80.11 ± 0.32	15	58.11 ± 0.26
4	68.16 ± 1.56	17	60.28 ± 0.55
6	60.63 ± 0.23	18	58.72 ± 1.38
8	50.46 ± 0.43	20	57.87 ± 0.26
9	57.44 ± 1.63	21	46.05 ± 1.59
10	59.59 ± 0.65	DNP	57.21 ± 0.54
11	54.57 ± 1.23

^aData are expressed as means ± SD of three independent experiments.