The molecule is a glycosylglucose consisting of an alpha-L-fucopyranose residue and an alpha-D-glucopyranose residue joined in sequence by a (1->2) glycosidic bond. It derives from an alpha-D-glucose and an alpha-L-fucose.
(2S,3S,4R,5S,6S)-2-methyl-6-[(2S,3R,4S,5S,6R)-2,4,5-trihydroxy-6-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol