The molecule is an amino disaccharide composed of D-galactose and 2-acetamido-2-deoxy-alpha-D-glucopyranosyl residues in (alpha-1->3) linkage. It is an amino disaccharide, a glucosamine oligosaccharide and a glycosylglucose derivative. It derives from a N-acetyl-alpha-D-glucosamine and an alpha-D-galactose.
N-[(2S,3R,4R,5S,6R)-2,5-dihydroxy-6-(hydroxymethyl)-4-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-3-yl]acetamide