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