Abstract: A compound of Formula 1 wherein, X represents an alkyl, alkylene, alkenyl, alkenylene, alkynyl or alkynylene group, optionally having at least one substituent selected from the group of —OR1 and —NR1R2, or Y represents —OTBS, —OR1, —NR1R2; Z represents —OR3 or ?O; and R1, R2 and R3 each independently stand for H, alkyl, alkenyl, alkynyl, aryl, heteroaryl, or heterocyclyl, optionally in the form of enantiomers racemic mixtures, or pharmaceutically acceptable salts thereof, for use as a medicament, in particular for use in anti-viral cancer treatment in mammals and for use in treatment of benign or neoplastic genital Human Papilloma Virus associated diseases and for use in treatment of non-genital warts.