(1R-(1 alpha,2 beta,4 beta(2R*,6S*)))-4-((4-O-(4- O-(3-amino-5,6-dihydro-6-methyl-5-oxo-2H-pyran-2- yl)-2,6-dideoxy-alpha-L-lyxo-hexopyranosyl)-2,3,6-trideoxy-3-(dimethylamino)-alpha-L-lyxo-hexopyran osyl)oxy)-2-ethyl-1,2,3,4,6,11-hexahydro-2,5,7,10- tetrahydroxy-6,11-dioxo-1-naphthacenecarboxylic acid, methyl ester