申请人:Syntex (U.S.A.) Inc.
公开号:US04332804A1
公开(公告)日:1982-06-01
Compounds useful in the prevention and/or treatment of hypertension, congestive heart failure, arrhythmia, migraine, vasospastic disorders, and asthma are represented by the formula ##STR1## wherein: R, R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are independently hydrogen or lower alkyl of one to four carbon atoms; and R.sup.5 and R.sup.6 are independently hydrogen, lower alkyl of one to four carbon atoms or lower alkoxy of one to four carbon atoms; and the pharmaceutically acceptable acid addition salts thereof.
用于预防和/或治疗高血压、充血性心力衰竭、心律失常、偏头痛、血管痉挛性疾病和哮喘的化合物由以下公式表示##STR1##其中:R、R.sup.1、R.sup.2、R.sup.3和R.sup.4分别独立表示氢或含有一至四个碳原子的较低烷基;R.sup.5和R.sup.6分别独立表示氢、含有一至四个碳原子的较低烷基或含有一至四个碳原子的较低烷氧基;以及其药用可接受的酸盐。