Aerosol formulation for the inhalation of beta-agonists
申请人:Aven Michael
公开号:US20050256115A1
公开(公告)日:2005-11-17
The present invention relates to a propellant-free aerosol formulation which [contains] one or more compounds of general formula 1
wherein the groups R
1
, R
2
, R
3
and X
−
may have the meanings given in the claims and specification, for inhalation.