1-Naphthacenecarboxylic acid, 1,2,3,4,6,11-hexahydro-6,11-dioxo-2-ethyl-4-((O-2,3,6-trideoxy-alpha-L-glycero-hexopyranosyl-(1-4)-O-2,6-dideoxy-alpha-L-lyxo-hexopyranosyl-(1,4)-2,3,6-trideoxy-3-(dimethylamino)-alpha-L-lyxo-hexopyranosyl)oxy)-2,5,7-trihydroxy-, methyl ester 64431-68-1 Antibiotic MA 144M1 MA144 M1