The present invention provides a nitrogenous heterocyclic compound represented by the following general formula (1) or a pharmacologically acceptable salt thereof which is useful for various ischemic heart diseases and the like: ##STR1## \x9bin formula (1), ring A represents a benzene ring, a pyridine ring or a cyclohexane ring: ring B represents a pyridine ring, a pyrimidine ring or an imidazole ring, R.sup.1, R.sup.2, R.sup.3 R.sup.4, R.sup.5 and R.sup.6 are described herein.
本发明提供了一种氮
杂环化合物,其通式为(1),或其药学上可接受的盐,适用于各种缺血性心脏病等疾病:##STR1## 在公式(1)中,环A代表苯环,
吡啶环或
环己烷环;环B代表
吡啶环,
嘧啶环或
咪唑环,R.sup.1、R.sup.2、R.sup.3、R.sup.4、R.sup.5和R.sup.6的定义如本文所述。