The molecule is an amino disaccharide consisting of 2-acetamido-2-deoxy-beta-D-glucopyranose and D-galactopyranose residues joined by a (1->3) glycosidic bond. It is an amino disaccharide and a member of acetamides. It derives from a D-galactopyranose and a N-acetyl-beta-D-glucosamine.
N-[(2S,3R,4R,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-2-[(3R,4S,5S,6R)-2,3,5-trihydroxy-6-(hydroxymethyl)oxan-4-yl]oxyoxan-3-yl]acetamide