5,12-Naphthacenedione, 8-acetyl-10-[[3-amino-4-O-(3-amino-2,3,6-trideoxy-4-O-methyl-.alpha.-L-lyxo-hexopyranosyl)-2,3,6-trideoxy-.alpha.-L-lyxo-hexopyranosyl]oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-, dihydrochloride, (8S-cis)- NSC304946