The molecule is an amino trisaccharide consisting of two alpha-L-fucosyl residues and an N-acetyl beta-D-glcosamine joined in a linear sequence by a (1->2)- and a (1->3)-linkage, respectively. It is an amino trisaccharide and a glucosamine oligosaccharide.
N-[(2R,3R,4R,5S,6R)-4-[(2S,3S,4R,5S,6S)-4,5-dihydroxy-6-methyl-3-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-2,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide