10-((3-((R)-3-Cyano-4-morpholinyl)-2,3,6-trideoxy-alpha-L-lyxo-hexopyranosyl)oxy)-8-(1,2-dihydroxyethyl)-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-5,12-naphthacenedione