1.Beta (ß)-adrenergic agonist (sympathomimetics)
-non selective ß2 agonist ได้แก่ isoproterenol, epinephrine (adrenaline)
-selective ß2 agonist ได ้แก่ salbutamol (albuterol), terbutaline, formoterol, salmeterol,
fenoterol, procaterol, indacaterol, vilanterol