Levalbuterol ((R)-Albuterol; (R)-Salbutamol) is a short-acting β2-adrenergic receptor agonist and the active (R)-enantiomer of Salbutamol. Levalbuterol is a more potent bronchodilator than Salbutamol and has the potential for the treatment of COPD.
Salbutamol (albuterol), a selective β2-adrenergic partial agonist, serves as a bronchodilator widely used in various clinical scenarios and to counteract doping abuse. Its process impurity, Albuterol methyl ether, may be present in urine samples, highlighting the importance of detection and chemical analysis.