| abstract |
The compounds of the general formula (I): in which: - R is hydrogen or methyl; - W is a simple bond or an oxygen atom; - n = 3; - X is hydrogen or an amino-NR1R2 group in which R1 and R2 can independently be hydrogen or a group selected from methyl, ethyl, n-propyl, isopropyl; - Y is a quaternary ammonium group -NR3R4R5 in which R3, R4, R5 can independently be a group selected from methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, n-pentyl; and pharmaceutically acceptable salts, enantiomers and enantiomeric mixtures thereof. |