1-Naphthacenecarboxylic acid, 1,2,3,4,6,11-hexahydro-6,11-dioxo-2-ethyl-4-O-((2,6-dideoxy-alpha-L-lyxo-hexopyranosyl(1-4)-O-2,6-dideoxy-alpha-L-lyxo-hexopyranosyl(1-4)-O-3-(dimethylamino)-2,3,6-trideoxy-alpha-L-lyxo-hexopyranosyl)oxy)-2,7-dihydroxy-, methyl ester 65222-74-4 Antibiotic MA 144U1 MA144 U1