5-deoxy-1-C-(7-{[2,6-dideoxy-3-O-(2,6-dideoxyhexopyranosyl)hexopyranosyl]oxy}-3-{[2,6-dideoxy-3-O-methylhexopyranosyl-(1->3)-2,6-dideoxyhexopyranosyl-(1->3)-2,6-dideoxyhexopyranosyl]oxy}-5,10-dihydroxy-6-methyl-4-oxo-1,2,3,4-tetrahydroanthracen-2-yl)-1-O-