Six compounds including persicasulfide A, conferone, feselol, latisufide C, conferoside and ferutinin showed cytotoxic activity with IC50 values in the range of 11.61-49.40 μM against cancer cells and pan-HDAC inhibitory activity with IC50 values in the range of 1.06-35.27 μM. This evidence concerns the gene HDAC9 and cancer.