Showing structure for 1-(3-{[(2r,3s,4s)-3,4-dihydroxy-4-(hydroxymethyl)oxolan-2-yl]oxy}-1,6-dimethoxy-8-{[(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}naphthalen-2-yl)ethanone