The molecule is a quercetin O-glycoside that consists of quercetin substituted by a beta-D-glucopyranosyl-(1->2)-rhamnopyranosyl moiety at position 3 via a glycosidic linkage. Isolated from the leaves of Ginkgo biloba, it exhibits antioxidant activity. It has a role as a metabolite and an antioxidant. It is a disaccharide derivative and a quercetin O-glycoside.
3-[(2S,3R,4R,5R,6S)-4,5-dihydroxy-6-methyl-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-2-(3,4-dihydroxyphenyl)-5,7-dihydroxychromen-4-one