[EN] NOVEL DIPEPTIDYL PEPTIDASE IV INHIBITORS; PROCESS FOR THEIR PREPARATION AND COMPOSITIONS CONTAINING THEM [FR] NOUVEAUX INHIBITEURS DE LA DIPEPTIDYL PEPTIDASE IV, PROCEDE DE PREPARATION DE CES INHIBITEURS ET COMPOSITIONS CONTENANT CES INHIBITEURS
[EN] NOVEL DIPEPTIDYL PEPTIDASE IV INHIBITORS; PROCESS FOR THEIR PREPARATION AND COMPOSITIONS CONTAINING THEM [FR] NOUVEAUX INHIBITEURS DE LA DIPEPTIDYL PEPTIDASE IV, PROCEDE DE PREPARATION DE CES INHIBITEURS ET COMPOSITIONS CONTENANT CES INHIBITEURS