NOVEL DOPAMINE D2 RECEPTOR AGONIST

摘要

PROBLEM TO BE SOLVED: To provide a pharmaceutical composition which has dopamine Dreceptor agonist action and reduced 5-HTreceptor stimulation action.SOLUTION: A pharmaceutical composition contains a compound represented by the general formula (I) or a pharmacologically acceptable salt thereof. [Ris Calkyl or the like; Ris hydrogen or Calkyl; Rand Rare each independently H, Calkyl, RRN-Calkyl, aralkyl or the like; Rand Rare each independently H or Cacyl; and Ris H, halogen or the like.]