申请人:Fisons Limited
公开号:US04293541A1
公开(公告)日:1981-10-06
There is described a salt of 2,8-dicarboxy-4,6-dioxo-10-propyl-4H,6H-benzo(1,2-b:5,4-b')dipyran with a pharmaceutically acceptable organic cation, the salt having a solubility of less than 31 w/w in water a 20.5.degree. C. There are also described processes for making the salts and pharmaceutical, e.g. anti-allergic, compositions containing them.
描述了一种2,8-二羧基-4,6-二氧代-10-丙基-4H,6H-苯并(1,2-b:5,4-b')二吡喃的盐,该盐具有药用可接受的有机阳离子,其在20.5°C下在水中的溶解度小于31 w/w。还描述了制备这些盐的过程以及含有它们的药物,例如抗过敏药物。