This invention relates to a 1,4-dihydropyridine derivative of the formula ##STR1## wherein Y represents an oxygen or sulfur atom or a vinylene group, Z represents an oxygen or sulfur atom or an alkylene group, R.sup.2 represents an imidazolyl or pyridyl group and the remaining substituents are herein defined. These compounds have a vasodilating activity and a platelet aggregation inhibiting activity.
本发明涉及一种1,4-二
氢吡啶衍生物,其
化学式为##
STR1##其中,Y代表
氧原子或
硫原子或
乙烯基,Z代表
氧原子或
硫原子或烷基,R.sup.2代表
咪唑基或
吡啶基,其余的取代基在此定义。这些化合物具有扩血管作用和抑制血小板聚集的作用。