An HDAC inhibitor, antitumor agent that at 10 μM can induce oxidative stress contributing to apoptosis and differentiation in MCF-7 breast cancer cells; inhibits T. gondii tachyzoite propagation in human fibroblasts (EC50 = 80 nM) and inhibits P. falciparum growth in human red blood cells (EC50 = 1.3 μM).