The molecule is a linear amino trisaccharide comprising alpha-L-fucose, 6-O-sulfo-beta-D-galactose and N-acetyl-6-O-sulfo-beta-D-glucosamine residues linked sequentially (1->2) and (1->3). It is an amino trisaccharide, an oligosaccharide sulfate and a glucosamine oligosaccharide.
[(2R,3R,4S,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(sulfooxymethyl)oxan-4-yl]oxy-3,4-dihydroxy-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]methyl hydrogen sulfate