Apoptosis inducer 33 (Compound H2) is a hydrazone derivative. Apoptosis inducer 33 has antioxidant and antibacterial activity that inhibits the growth of Staphylococcus aureus , Escherichia coli and Candida albicans. Apoptosis inducer 33 inhibits tumor cells proliferation and induces apoptosis , which can be used in the study of cancer.