Inhaled<unk>  works like other β2 agonists, causing bronchodilation by relaxing the smooth muscle in the airway so as to treat the exacerbation of asthma.
Formoterol
Arformoterol
Salmeterol
Fluticasone
Levosalbutamol
Salbutamol
Beclometasone/formoterol
Seratrodast