The molecule is a branched amino pentasaccharide consisting of two D-glucose residues (one at the reducing end), one N-acetyl-D-glucosamine residue, one D-galactose residue and one L-fucose residue, linked as shown.
N-[(2S,3R,4R,5R,6R)-5-hydroxy-4-[(2R,3R,4R,5R,6R)-3-hydroxy-6-(hydroxymethyl)-4-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-6-(hydroxymethyl)-2-[(2R,3S,4R,5R,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]acetamide