Chemical structures of piperidine derivatives 182–202 and their IC₅₀ values against cholinesterase enzymes.

Compound no.	Chemical structure	IC50 values (µM)		References
		AChE	BChE
182		186 nM	—	244
183		192 nM	—	244
184		200 nM	—	244
185		120 nM	—	244
186		325 nM	—	244
187		362 nM	—	244
188		157	—	245
189		219	—	245
190		145	—	245
191		0.71	—	246
192		0.26	—	246
193		0.88	—	246
194		0.05	—	246
195		0.02	—	246
196		0.13	—	246
197		0.17	—	246
198		0.01	—	246
199		6.83 nM	—	247
200		2.13 nM	—	247
201		6.62	13.78	248
202		—	35.30	249