The molecule is a linear amino trisaccharide having beta-D-galactose at the reducing end with a beta-D-glucosyl-(1->6)-N-acetyl-beta-D-glucosaminyl moiety at the 3-position. It is an amino trisaccharide and a glucosamine oligosaccharide.
N-[(2S,3R,4R,5S,6R)-4,5-dihydroxy-2-[(2R,3R,4S,5S,6R)-2,3,5-trihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-[[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxan-3-yl]acetamide