<chemical> An anthracycline antibiotic produced by streptomyces galilaeus. It has potent antineoplastic activity, especially in the treatment of leukaemias, with reduced cardiac toxicity in comparison to daunorubicin or doxorubicin. ... Pharmacological action: antibiotics, anthracycline. ... Chemical name: 1-Naphthacenecarboxylic acid,(2-ethy...