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.
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.
The invention relates to compounds of the 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, n is one to six, inclusive, R.sub.3 represents an amino group, substituted with phenylsulfonyl, and medicinal products containing the same.