Melperone
Melperone is an atypical antipsychotic of the butyrophenone chemical class, making it structurally related to the typical antipsychotic haloperidol.  Melperone has been used for a span of greater than 30 years in the European Union. It has been well established in the treatment of confusion, anxiety, restlessness (particularly in the elderly) and schizophrenia as It is known to be well-tolerated with an excellent safety profile. Recently, it has been studied as a treatment of psychosis related to Parkinson's disease.