The molecule is a glycosylglucose consisting of alpha-D-galactopyranose and alpha-D-glucopyranose residues joined in sequence by a (1->6) glycosidic bond. It derives from an alpha-D-glucose and an alpha-D-galactose.
(2S,3R,4S,5S,6R)-6-[[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxane-2,3,4,5-tetrol