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