The molecule is an amino trisaccharide consisting of beta-D-mannopyranosyl, 2-acetamido-beta-D-glucopyranosyl and 2-acetamido-D-glucopyranosyl residues joined sequentially by (1->4) glycosidic linkages. It is an amino sugar, an amino trisaccharide and a glucosamine oligosaccharide.
N-[(3R,4R,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-acetamido-4-hydroxy-6-(hydroxymethyl)-5-[(2S,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide