has part has role independent continuant (R)-mosapride (S)-mosapride serotonergic agonist laxative organic molecular entity antispasmodic drug gastrointestinal drug racemate mosapride A racemate comprising equimolar amounts of (<i>R</i>)- and (<i>S</i>)-mosapride. It is a gastroprokinetic agent which acts on 5-hydroxytryptamine type 4 (5-HT<small>₄</small>) receptors in the gastrointestinal plexus, consequently increasing the release of acetylcholine and hence enhancing gastrointestinal motility and gastric emptying. CHEBI:94373