The molecule is an amino disaccharide consisting of beta-D-galactose having an N-acetyl-alpha-D-galactosaminyl residue attached at the 2-position. It is an amino disaccharide and a glycosylgalactose derivative.
N-[(2R,3R,4R,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-2-[(2R,3R,4S,5R,6R)-2,4,5-trihydroxy-6-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]acetamide