138688-63-8

1-Benzopyrylium,2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[[6-O-[6-O-[3-(4-hydroxy-3,5-dimethoxyphenyl)-1-oxo-2-propenyl]-b-D-glucopyranosyl]-b-D-glucopyranosyl]oxy]-, (E)-