The molecule is a glucotriose consisting of two alpha-D-glucose residues and a beta-D-glucose at the reducing end joined in sequence by (1->4) glycosidic linkages. It is a glucotriose and a D-Glcp-(1->4)-alpha-D-Glcp-(1->4)-beta-D-Glcp.
(2R,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol