The molecule is a disaccharide that is D-glycopyranose in which the hydroxy group at position 3 has been converted into the corresponding alpha-L-fucoside. It is an alpha-L-fucoside and a glycosylglucose. It derives from a D-glucopyranose.
(2S,3S,4R,5S,6S)-2-methyl-6-[(3R,4S,5R,6R)-2,3,5-trihydroxy-6-(hydroxymethyl)oxan-4-yl]oxyoxane-3,4,5-triol