申请人:Fisons Limited
公开号:US04055654A1
公开(公告)日:1977-10-25
There are described certain mono-chromone-2-carboxylic acids of formula, ##STR1## having one substituent in the 5 or 6 position or having 2 or more substituents in the 5,6,7 or 8 positions. There are also described processes for making the compounds and pharmaceutical compositions, for the treatment of asthma, containing the compounds.
本文描述了一些具有以下结构式的单色酮-2-羧酸:##STR1## 其中在5或6位置有一个取代基或在5、6、7或8位置有2个或多个取代基。还描述了制备这些化合物的方法和含有这些化合物的药物组合物,用于治疗哮喘。