An anthracycline with anticancer activity; interacts with topoisomerase II; inhibits the growth of human HeLa and C33A cervical, as well as T-24 bladder cancer cells (IC50s = 29, 52, and 36 ng/ml, respectively); inhibits the growth of human Huh7 and MHCC97H liver cancer cells (IC50s = 0.159 and 0.374 μM, respectively); inhibits the growth of mouse M5076 ovarian cancer cells in vitro (IC50 = 0.366 μM) and in vivo in a mouse allograft model at 2 mg/kg for four days