[EN] N-MERCAPTOACYL PHENYALANINE DERIVATIVES, PROCESS FOR THEIR PREPARATION, AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM [FR] DERIVES DE N-MERCAPTOACYL PHENYALANINE, LEUR PROCEDE DE PREPARATION ET LES COMPOSITIONS PHARMACEUTIQUES LES CONTENANT
[EN] N-MERCAPTOACYL PHENYALANINE DERIVATIVES, PROCESS FOR THEIR PREPARATION, AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM [FR] DERIVES DE N-MERCAPTOACYL PHENYALANINE, LEUR PROCEDE DE PREPARATION ET LES COMPOSITIONS PHARMACEUTIQUES LES CONTENANT