Compounds 24, 30, 40 and 41 displayed good growth inhibition activity against various human cancer cell lines and the average GI50 values of these compounds are from 0.19 10-6M to 31.2 10-6M. These compounds also arrested K-562 cells in the G2/M phase and induced apoptosis . Comparing to the apoptosis area (31.57%) caused by compound 40 , it showed almost four times higher than control (7.5%) in 50 10-6M.