The molecule is a disaccharide derivative consisting of an N-acetyl-alpha-D-glucosaminyl residue linked (1->3) to an alpha-D-glucoside residue, the anomeric carbon of which is linked to O-2 of D-glyceric acid and the O-6 of which is connecteded via a phospho linkage to a 5-aminopentyl group.
(2R)-2-[(2R,3R,4S,5R,6R)-4-[(2R,3R,4R,5S,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-6-[[5-aminopentoxy(hydroxy)phosphoryl]oxymethyl]-3,5-dihydroxyoxan-2-yl]oxy-3-hydroxypropanoic acid