composto de sal de amônio quaternário, composição medicinal, e, agente preventivo ou terapêutico

摘要

[Problem] The abject of the present invention is to provide a novel compound having ²2 adrenergic receptor agonist activity and muscarinic receptor antagonist activity. [Means for Salving the Problem The present invention is a quaternary ammonium salt compounds represented by formula (I), or a pharmaceutically acceptable salt thereof, with superior ²2 adrenergic receptor agonist activity and muscarinic receptor antagonist activity.