The present application relates to a compound of formula (I) for use (I) in the prevention and/or treatment of cancer, wherein R1 to R9 are independently selected from hydrogen, aliphatic, alkoxy, thioalkyi, alkylamino, halogen, hydroxy, cyano, nitro, hydroxyalkyl, alkylcarbonyloxy, alkoxycarbonyl, alkylcarbonyl, haloalkyl, alkylsulfonylamino N¾, NO2, S0 2R , SOR and COOR , where R is hy drogen, aliphatic or aryl. The compounds are particularly provided for the prevention and/or treatment of cancer of the lung, colon, pancreas, liver and/or kidney.