Table 3.

The IC₅₀ values of 13 compounds under study.

Compound		S-1	S-2	S-3	S-4	S-5	S-6	S-7	S-8	S-9	S-10	S-11	S-12	S-13	Z-factor
IC50 (μM)	BACE1	70.89	17.20	2.75	81.93	7.58	20.70	3.97	0.75	4.32	3.40	2.27	2.82	2.72	0.93
	MAO-B	–a	15.74	11.72	13.89	2.91	8.81	23.17	3.62	18.21	10.24	–a	3.52	3.42	0.89

^aThe IC₅₀ value cannot be calculated in the predetermined concentration range.