| 摘要 |
<p>Pharmaceutical composition for aerosol administration with pressurised dose inhalers comprises as active ingredient long acting beta2-adrenergic agonists, which belong to the class of phenylalkylamino derivatives, selected from the group comprising formoterol, salmeterol, TA 2005 and salts thereof, in a solution of a liquefied HFA propellant, ethanol as a co-solvent and mineral acid, wherein acidity function is determined by the pH-indicator as apparent pH of solution between 2.5 and 5.0.</p> |
