Potent and selective, nonpeptide CCK2 receptor antagonist (IC50 values are 2.8 and 1232 nM for CCK2 and CCK1 respectively) that displays negligible affinity at GABAA, benzodiazepine, substance P, neurotensin, opioid, bradykinin and 5-HT3 receptors (IC50 > 10 μM). Exhibits anxiolytic activity in elevated plus maze and social interaction tests and increases food intake in rats.