The present invention relates to a method for treating or reducing the development of a hyperproliferative disorder, which comprises administering to a subject a composition,which comprises as an active ingredient the compound represented by the Formula 1:wherein R1, R2, R3, R4, R5, R6 and R7 independently represent hydrogen, halo, hydroxyl, cyano, amino, nitro, nitroso, carboxyl, C1-C12 alkyl, C2-C6 alkenyl, C3-C8 cycloalkyl, C5-C7 cycloalkenyl, C1-C6 alkylamino, C1-C6 alkoxy, aryl, heteroaryl, arylalkyl, arylalkenyl or alkylaryl;X and Y independently represent hydrogen, oxygen, or sulfur, bound to a carbon atom via a single or double bond;Z represents hydrogen, halo, hydroxyl, cyano, amino, nitro, nitroso, carboxyl, C1-C12 alkyl, C2-C6 alkenyl, C3-C8 cycloalkyl, C5-C7 cycloalkenyl, C1-C6 alkylamino, C1-C6 alkoxy, aryl, heteroaryl, arylalkyl, arylalkenyl, alkylaryl or —NH—R8;R8 represents hydrogen, halo, hydroxyl, cyano, amino, nitro, nitroso, carboxyl, C1-C12 alkyl, C2-C6 alkenyl, C3-C8 cycloalkyl, C5-C7 cycloalkenyl, C1-C6 alkylamino, C1-C6 alkoxy, aryl, heteroaryl, arylalkyl, arylalkenyl or alkylaryl;n is an integer of 0-3.