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