AChE/MAO-B-IN-3 is a dual inhibitor targeting both acetylcholinesterase (AChE) and monoamine oxidase B (MAO-B), exhibiting inhibitory concentrations (IC50s) of 0.0257 µM and 0.0456 µM against human AChE and MAO-B, respectively. This compound holds potential for Alzheimers disease research.