The importance of these privileged pharmacophores is not limited to the treatment of psychotic disorders because minor changes in the structures can generate various biological activities. They represent a wide range of therapeutic functions such as anticonvulsant, antianxiety, anti-depressant, antiviral, anti-HIV, anti-inflammatory, anticoagulant, anti-obesity, endothelin antagonist, cholecystokinin antagonist, and vasopressin receptor antagonist activities.