The invention relates to the derivatives of general formula (I): ##STR1## in which: Z represents an oxygen atom or a sulfur atom, R.sub.1 represents a hydrogen atom or an alkyl group, R.sub.2 represents a hydrogen atom or an alkyl group, 1.ltoreq.n.ltoreq.6, R.sub.3 represents a nitrile group, an optionally substituted amino group or any one of the groups described in the description and medicinal products containing the same.
本发明涉及一般式(I)的衍
生物:##STR1## 其中:Z代表氧原子或
硫原子,R.sub.1代表氢原子或烷基,R.sub.2代表氢原子或烷基,1≤n≤6,R.sub.3代表腈基,可选地取代的
氨基或描述中的任何一种基团,以及含有这些衍
生物的药物制品。