<unk>  is a typical antipsychotic of the butyrophenone chemical class. It has general properties similar to those of haloperidol, but is considerably more potent by weight, and causes relatively more severe side effects, especially tardive dyskinesia and other extrapyramidal effects. It is used in the treatment of psychoses including mania and schizophrenia. It was discovered at Janssen Pharmaceutica in 1959.
Trifluperidol
Diphenidol
Rivastigmine
Rivastigmine 
Penfluridol
Benperidol
Bromperidol
Droperidol