Table 3.

In vitro inhibition of AChE by compounds 1–3.

Compounds	AChE IC50a [μM]
1	98.3 ± 0.21
2	86.0 ± 0.34
3	84.3 ± 0.32
Galanthamine	32.3 ± 2.3

^a IC₅₀ values are the mean ± standard error mean (S.E.M.) of three assays.