申请人:Syntex (U.S.A.) Inc.
公开号:US04353900A1
公开(公告)日:1982-10-12
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.sup.1 is ##STR2## wherein X is hydrogen, lower alkyl, lower alkoxy, halo, carboxamido or hydroxy; m is 1, 2 or 3; and n is 1, 2 or 3; R.sup.2, R.sup.3 and R.sup.4 are independently hydrogen or lower alkyl; and the pharmaceutically acceptable acid addition salts thereof.
公式##STR1##代表用于预防和/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,其中:R.sup.1是##STR2##其中X是氢、较低烷基、较低烷氧基、卤素、羧酰胺基或羟基;m为1、2或3;n为1、2或3;R.sup.2、R.sup.3和R.sup.4独立地是氢或较低烷基;以及其药用可接受的酸盐。