3-(β-D-Glucopyranosyloxy)-5-hydroxy-2-[(E)-3-(4-hydroxyphenyl)-1-oxo-2-propenyl]-1,4-benzoquinone

4-hydroxy-3-[3-(4-hydroxyphenyl)prop-2-enoyl]-2-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-cyclohexa-2,4-diene-1,6-dione