1-Hydroxy-MA144 S1 1-Naphthacenecarboxylic acid, 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-.alpha.-L-lyxo-hexopyranosyl)-3-(dimethylamino)-.alpha.-L-lyxo-hexopyranosyl]oxy]-, methyl ester, (1R-(1.alpha.,2.beta.,4.beta.))- 1-Naphthacenecarboxylic acid, 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-.alpha.-L-lyxo-hexopyranosyl)-3-(dimethylamino)-.alpha.-L-lyxo-hexopyranosyl]oxy]-, methyl ester, [1R-(1.alpha.,2.beta.,4.beta.)]- 63710-09-8 MUSETTAMYCIN NSC 219941 NSC219941