The molecule is a dihydroascorbigen hexoside in which the hexoside component is a beta-D-glucosyl residue attached at position 5 via a glycosidic bond.
(3S,4R,5S)-3,4-dihydroxy-5-[(1S)-2-hydroxy-1-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyethyl]-3-(1H-indol-3-ylmethyl)oxolan-2-one