1-{1,5-Dihydroxy-3-methyl-8-[3,4,5-trihydroxy-6-(3,4,5-trihydroxy-tetrahydro-pyran-2-yloxymethyl)-tetrahydro-pyran-2-yloxy]-naphthalen-2-yl}-ethanone 2-Acetyl-1,5-dihydroxy-3-methyl-8-O(beta-xylopyranosyl-(1-