The molecule is an amino tetrasaccharide consisting of alpha-D-mannosyl, D-mannosyl, 2-acetamido-beta-D-glucosyl and 2-acetamido-D-glucosyl residues joined in sequence by (1->6), (1->4), and (1->4) glycosidic bonds. It is an amino tetrasaccharide, a glucosamine oligosaccharide and a mannooligosaccharide derivative.
N-[(3R,4R,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-acetamido-4-hydroxy-6-(hydroxymethyl)-5-[(3S,4S,5S,6R)-3,4,5-trihydroxy-6-[[(2S,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxan-2-yl]oxyoxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide