Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... The synthesis, acetylcholinesterase inhibitory capacity and structure–activity relationships of simple-structured m-Aminobenzoic acid derivatives are reported. Compound 1b was found to be more potent than galanthamine and tacrine in inhibiting acetylcholinesterase.