Synonyms: 1-Naphthacenecarboxylicacid,2-ethyl-1,2,3,4,6,11-hexahydro-2,5,7,10-tetrahydroxy-6,11-dioxo-4-[[2,3,6-trideoxy-4-O-[2,6-dideoxy-4-O-[[2S-(2a,5a,6b)]-tetrahydro-5-hydroxy-6-methyl-2H-pyran-2-yl]-a-L-lyxo-hexopyranosyl]-3-(dimethylamino)-a-L-lyxo-hexopyranosyl]oxy]-,methyl ester, [1R-(1a,2b,4b)]-; Antibiotic MA 144M2; MA 144M2