The molecule is a glucotriose consisting of beta-D-glucopyranosyl, alpha-D-glucopyranosyl and D-glucopyranoseresidues joined in sequence by two (1->4) glycosidic linkages. It derives from a maltose and an alpha-cellobiose.
(2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2R,3S,4R,5R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol