5,12-Naphthacenedione, 8-acetyl-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-10-((2,3,6-trideoxy-3-((3,4-dicarboxy-1-oxo-2-butenyl)amino)-alpha-L-lyxo-hexopyranosyl)oxy)-, (8S-(8alpha,10alpha(Z)))-