<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.
Amrubicin
Pirarubicin
Epirubicin
Valrubicin
Aclarubicin
Epirubicin hydrochloride
Idarubicin hydrochloride
Daunorubicin