申请人:Smith Kline & French Laboratories Limited
公开号:US05162316A1
公开(公告)日:1992-11-10
This invention relates to pyrimidopyrimidine derivatives which have bronchodilator and anti-allergic activities. A compound of the invention is 7-cyclopropylamino-4-oxo-2-(2-propoxyphenyl)-3,4-dihydropyrimido[4,5-d] pyrimidine.
这项发明涉及具有支气管扩张剂和抗过敏活性的嘧啶嘧啶衍生物。该发明的一种化合物是7-环丙基氨基-4-氧代-2-(2-丙氧基苯基)-3,4-二氢嘧啶并[4,5-d]嘧啶。