Research Article
Design, Synthesis, and Acetylcholinesterase Inhibition Assay of Novel 9-(1-(Substituted-benzyl)piperidin-4-yl)-2-chloro-9H-purin-6-amine Derivatives
Figure 1
Structure of donepezil, 2,4-disubstituted pyrimidine AChE inhibitors, and purine derivative PU2012051296.