1-Naphthacenecarboxylic acid, 1,2,3,4,6,11-hexahydro-6,11-dioxo-2-ethyl-2,5,7-trihydroxy-4-((2,3,6-trideoxy-4-O-(2,6-dideoxy-4-O-((2R-cis)-tetrahydro-6-methyl-5-oxo-2H-pyran-2-yl)-alpha-L-lyxo-hexopyranosyl)-2-(dimethylamino)-alpha-L-lyxo-hexopyranosyl)oxy)-, methyl ester, (1R-(1-alpha,2-beta,4-beta))- 64520-15-6 Antibiotic MA 144G1 MA 144G1