Showing structure for [(2r,3s,4r,5r,6s)-6-[2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4-oxochromen-6-yl]-3,4,5-trihydroxyoxan-2-yl]methyl (2e)-3-(3,4-dihydroxyphenyl)prop-2-enoate