[Problem]
The abject of the present invention is to provide a novel compound having β2 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 β2 adrenergic receptor agonist activity and muscarinic receptor antagonist activity.
[Problem]
The object of the present invention is to provide a novel compound having 132 adrenergic receptor agonist activity and muscarinic receptor antagonist activity.
[Means for Solving the Problem]
The present invention is a quaternary ammonium salt compounds represented by formula (I), or a pharmaceutically acceptable salt thereof, with superior β32 adrenergic receptor agonist activity and muscarinic receptor antagonist activity.