A sesquiterpene with antibiotic and anticancer activities; active against S. aureus, B. subtilis, and M. roseus (MICs = 25, 50, and 25 μg/ml, respectively); induces a heat shock response, increases levels of ROS, and inhibits NF-κB activity and cell growth in 3T3-Y9-B12 cells; reduces the number of ascitic fluid tumor cells in a mouse model of P388 murine leukemia at 0.1, 1, and 10 mg/ml