The molecule is a linear amino trisaccharide consisting of N-acetyl-beta-Dglucosamine, alpha-D-galactose and D-galactose residues joined in sequence by (1->4) and (1->3)linkages respectively.
N-[(2S,3R,4R,5S,6R)-2-[(2R,3R,4R,5R,6R)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(3R,4S,5S,6R)-2,3,5-trihydroxy-6-(hydroxymethyl)oxan-4-yl]oxyoxan-3-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide