The molecule is an amino trisaccharide in which an alpha-L-fucosyl-(1->2)-D-galactosyl unit is linked (1->3) to a 6-sulfated N-acetyl-beta-D-glucosamine residue. It is an amino trisaccharide and an oligosaccharide sulfate.
[(2R,3S,4R,5R,6R)-5-acetamido-4-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-3,6-dihydroxyoxan-2-yl]methyl hydrogen sulfate