1-Naphthacenecarboxylic acid, 1,2,3,4,6,11-hexahydro-6,11-dioxo-2-(1-methylethyl)-4-((2,3,6-trideoxy-4-O-(2,6-dideoxy-alpha-L-lyxo-hexopyranosyl)-3-(dimethylamino)-alpha-L-lyxo-hexopyranosyl)oxy)-2,5,7-trihydroxy-, methyl ester, (1R-(1-alpha,2-beta,4-beta))- 13-Methylaclacinomycin S 78776-21-3