Table 1. AChE inhibitory activity for sulfonamides.

Comp.	IC50 a (μM)
1	5.64 ± 0.33
2	7.34 ± 0.31
3	9.24 ± 0.12
4	6.99 ± 0.28
5	8.74 ± 0.02
Carvacrol	283.60 ± 0.12
Galantamine	17.10 ± 0.23
Donepezil	0.006 ± 0.001

^aThe assays were performed in triplicate and the values were obtained from the means.