Showing structure for methyl 4'-(1-{[3-(3-hydroxy-4-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}phenyl)prop-2-enoyl]oxy}ethyl)-5'-oxo-1-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-4a,7a-dihydro-1h-spiro[cyclopenta[c]pyran-7,2'-furan]-4-carboxylate