2-(3,4-Dihydroxyphenyl)ethyl 3-O,6-O-bis(α-L-rhamnopyranosyl)-4-O-[(E)-3-(3,4-dihydroxyphenyl)propenoyl]-β-D-glucopyranoside

2-(3,4-Dihydroxyphenyl)ethyl 3-O,6-O-bis(α-L-rhamnopyranosyl)-4-O-[(E)-3-(3,4-dihydroxyphenyl)propenoyl]-β-D-glucopyranoside