The molecule is an amino disaccharide consisting of N-acetyl-beta-D-glucosamine with an N-acetyl-beta-D-galactosaminyl residue atached at the 3-position. It is an amino disaccharide, a galactosamine oligosaccharide and a glucosamine oligosaccharide.
N-[(2R,3R,4R,5R,6R)-2-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide