申请人:Zeneca Limited
公开号:US05486515A1
公开(公告)日:1996-01-23
Compounds of formula I ##STR1## wherein X.sup.a, X.sup.b, R, R.sup.1 and R.sup.2 have any of the meanings given in the specification, and their pharmaceutically acceptable salts are useful as potassium channel openers for the treatment of urinary incontinence. Also disclosed are pharmaceutical compositions, processes for preparing the compounds of formula I and intermediates.
式I的化合物##STR1##其中X.sup.a、X.sup.b、R、R.sup.1和R.sup.2具有规范中给定的任何含义,它们的药用盐可用作治疗尿失禁的钾通道开放剂。还披露了制备式I化合物和中间体的药物组合物和工艺。