text: <unk>  (INN; previously known as SM-5887) is an anthracycline used in the treatment of lung cancer. It is marketed in Japan since 2002 by Sumitomo Pharmaceuticals under the brand name Calsed.<unk>  acts by inhibiting topoisomerase II, and has been compared in clinical trials with topotecan, a Topoisomerase I inhibitor. 
  It has also been studied for the treatment of bladder carcinoma and gastric cancer.
option_0: Amrubicin
option_1: Pirarubicin
option_2: Epirubicin
option_3: Valrubicin
option_4: Aclarubicin
option_5: Epirubicin hydrochloride
option_6: Idarubicin hydrochloride
option_7: Daunorubicin