Synonyms: 5,12-Naphthacenedione,8-acetyl-10-[(3-amino-2,3,6-trideoxy-a-L-lyxo-hexopyranosyl)oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-,radical ion(1-), (8S-cis)-; Daunomycin semiquinone radical; Daunorubicinradical ion(1-); Daunorubicin semiquinone; Daunorubicin semiquinone radical