D-Alanine, N-((5-((4,6-dideoxy-4-(methylamino)-3-O-beta-D-xylopyranosyl-beta-D-galactopyranosyl)oxy)-5,6,8,13-tetrahydro-1,6,9,14-tetrahydroxy-11-methoxy-3-methyl-8,13-dioxobenz(a)naphthacen-2-yl)carbonyl)-, (5S-trans)-