Showing structure for 3-[7-(3,4-dihydroxyphenyl)-4-hydroxy-5-oxo-2-{[(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-8h-naphthalen-1-yl]-5,7-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one