The molecule is a glycosyl glycoside that is alpha-D-galactopyranose in which the anomeric hydroxy group has been converted into the corresponding alpha-D-glucopyranosyl derivative. It is a glycosyl glycoside, an alpha-D-glucoside and an alpha-D-galactoside.
(2R,3S,4S,5R,6R)-2-(hydroxymethyl)-6-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxane-3,4,5-triol