The molecule is a linear amino trisaccharide consisting of a chain of N-acetyl-beta-D-glucosamine, N-acetyl-beta-D-galactosamine and alpha-D-mannose residues linked sequentially (1->3) and (1->4). It is an amino trisaccharide, a galactosamine oligosaccharide and a glucosamine oligosaccharide.
N-[(2R,3R,4R,5R,6R)-2-[(2R,3S,4R,5R,6S)-5-acetamido-3-hydroxy-2-(hydroxymethyl)-6-[(2R,3S,4R,5S,6S)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-4-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide