Table 3.

IC₅₀ for AChE inhibitory activities of compounds 1–10 and eujavanicol A.

Compounds	IC50/μM	Compounds	IC50/μM
1	38.6 ± 0.2	7	38.3 ± 0.4
2	33.7 ± 0.4	8	77.9 ± 1.7
3	20.6 ± 0.3	9	43.6 ± 0.4
4	37.7 ± 0.6	10	50.9 ± 0.5
5	51.3 ± 0.5	Eujavanicol A	32.4 ± 0.7
6	40.2 ± 0.7	Donepezil Hydrochloride 1	65.5 ± 1.5 (nM)

¹ Positive control.