1-Hydroxy MA144 M1 1-Naphthacenecarboxylic acid, 1,2,3,4,6,11-hexahydro-6,11-dioxo-2-ethyl-2,5,7,10-tetrahydroxy-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)-, methyl ester 64474-89-1 Antibiotic MA 144M2 MA144 M2