Refers to a compound of formula (i): Where R is H or an acyl Group. It also relates to a Pharmaceutical composition. This Compound is useful for the treatment of bladder cancer, kidney cancer, Leukemia, atherosclerosis, arthritisSE REFIERE A UN COMPUESTO DE FORMULA (I) DONDE: R ES H O UN GRUPO ACILO. SE REFIERE TAMBIEN A UNA COMPOSICION FARMACEUTICA. DICHO COMPUESTO ES UTIL PARA EL TRATAMIENTO DE CANCER DE VEJIGA, CANCER RENAL, LEUCEMIA, ATEROSCLEROSIS, ARTRITIS