The molecule is a glycosyl glycoside derivative that is alpha-D-glucopyranosyl-(1->2)-alpha-D-glucopyranose in which the anomeric hydroxy group has been glycosylated by an alpha-D-glucopyranosyl group. It is a trisaccharide and a glycosyl glycoside.
(2R,3R,4S,5S,6R)-2-[(2R,3R,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-2-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol