Bitolterol

Bitolterol mesylate (Tornalate) is a short-acting β2 adrenergic receptor agonist used for the relief of bronchospasm in conditions such as asthma[1][2] and COPD.[3][4][5] In these disorders there is a narrowing of the airways (bronchi and their ramifications) that carry air to the lungs. Muscle spasm and inflammation within the bronchi worsen this narrowing. Bitolterol relaxes the smooth muscles present con... [wikipedia]