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