Used in research for the treatment of Alzheimer's disease, this compound acts as a selective and potent brain-penetrant activator of the 5-HT4 receptor. Activation of this receptor enhances the release of acetylcholine and promotes the non-amyloidogenic processing of amyloid precursor protein, which may help reduce the accumulation of toxic amyloid-beta plaques in the brain. It has shown cognitive-enhancing effects in preclinical models, making it a candidate for disease-modifying therapies in neurodegenerative disorders. Its ability to cross the blood-brain barrier efficiently supports its potential for central nervous system applications. Currently, it remains primarily a tool compound for mechanistic studies and target validation in neuroscience research.