The molecule is a three-membered deoxy oligosaccharide which has a 6-deoxy-N-acetyl-D-glucosamine unit at the reducing end with an alpha-D-galactosyl-(1->3)-beta-D-galactosyl group attached at the 4-position. It is an amino trisaccharide, a deoxy oligosaccharide derivative and a glucosamine oligosaccharide.
N-[(3R,4R,5S,6R)-5-[(2S,3R,4S,5S,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-2,4-dihydroxy-6-methyloxan-3-yl]acetamide