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