The invention relates to a compound of formula (I)wherein n equals 0 or 1, and wherein, if n=1, Z represents O or S, R1 represents at least one group chosen among the group consisting of hydrogen, a linear or branched, saturated or not, C1-C7 alkyl, substituted, or not, by a halogen, a group -CH2-O-CO-R5 wherein R5 is chosen among a hydrogen atom, and a linear or branched, saturated or not, C1-C7 alkyl, substituted or not by at least one halogen, and an amine, and R2 is chosen among the group consisting of a linear or branched, saturated or not C1-C7 alkyl, a C3-C6 cycloalkyl, an aryl group, and an heteroaryl group for its use for the treatment of pathologies involving an excess of activity of at least one member of the kallikrein family.
