Daunorubicin Imp. F (EP): (8S,10S)-10-[(3-amino-2,3,6-trideoxy-a-l-lyxo-hexopyranosyl)oxy]-6,8,11-trihydroxy-1-methoxy-8-propanoyl-7,8,9,10-tetrahydrotetracene-5,12-dione (8-ethyldaunorubicin).