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