proventil
  柳丁氨醇
  Pro·ven·til /proˈvɛntɪl/ 商標
  Proventil
       n : a bronchodilator (trade names Ventolin or Proventil) used
           for asthma and emphysema and other lung conditions;
           available in oral or inhalant forms; side effects are
           tachycardia and shakiness [syn: albuterol, Ventolin]