Salmctcrol 是1990年新研制的长效β_2-受体激动剂,最近由英国Glaxo 制药集团研制合成.该药用于治疗支气管哮喘,经临床观察,疗效甚佳.现就其化学结构,药理作用和临床应用简介如下. Salmctcrol is a newly developed long-acting β_2-receptor agonist in 1990, recently developed by the British Glaxo Pharmaceutical Group. The drug is used for the treatment of bronchial asthma, the clinical observation, the effect is very good now for its chemical structure, pharmacological effects and Clinical application is as follows.