1-Naphthacenecarboxylic acid, 1,2,3,4,6,11-hexahydro-6,11-dioxo-2-ethyl-4-((2,3,6-trideoxy-4-O-(2,6-dideoxy-4-O-((2R-trans)-tetrahydro-6-methyl-5-oxo-2H-pyran-2-yl)-alpha-L-lyxo-hexopyranosyl)-3-(methylamino)-alpha-L-lyxo-hexopyranosyl)oxy)-2,5,7-trihydroxy-, methyl ester, (1R-(1-alpha,2-beta,4-beta))- 64431-58-9 Antibiotic MA 144L1 MA 144L1 N-Demethylaclacinomycin A N-Monodemethylaclacinomycin A