13-Dihydrodaunomycin hydrochloride 26164-47-6 28008-53-9 28008-55-1 Antibiotic RP 20798 Dihydrodaunomycin hydrochloride L-lyxo-Hexopyranoside, 1,2,3,4,6,11-hexahydro-3,5,12-trihydroxy-3-(1-hydroxyethyl)-10-methoxy-6,11-dioxo-1-naphthacenyl 3-amino-2,3,6-trideoxy-, hydrochloride, (1S,3S)-alpha- RP 20798