Patent ID: 8546343

Claim:
A compound of formula (I): wherein: X, Y and Z are independently selected from the group consisting of —O—, —NH—, —S—, substituted or unsubstituted —CH 2 — and a direct bond to R 1 and/or R 2 , with the proviso that X is not NH; R 1 and R 2 are independently selected from the group consisting of hydrogen, linear or branched, substituted or non-substituted alkyl, alkenyl, alkynyl, alkylidene, carbocycle and YR 1 and ZR 2 together form a substituted or non-substituted cycloalkyl or a corresponding heterocyclic ring, with the proviso that R 2 is not H; R 3 and R 4 are independently selected from the group consisting of hydrogen, amino and hydroxyl; R 5 is a glycosyl selected from the group consisting of monosaccharides and disaccharides; and R 6 is hydrogen; and their diastereoisomers or enantiomers in the form of their bases or salts of physiologically compatible acids.