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