The molecule is an amino trisaccharide consisting of two D-galactose residues, linked alpha(1->3), and an N-acetyl-D-glucosamine residue, linked beta(1->3), at the reducing end. It is an amino trisaccharide and a glucosamine oligosaccharide.
N-[(3R,4R,5S,6R)-4-[(2R,3R,4S,5S,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-2,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide