The molecule is a disaccharide phosphate that is N-acetylbeta-D-glucosamine having a 6-O-phospho-beta-D-galactosyl residue attached at O-4. It is an amino disaccharide, a disaccharide phosphate and a glucosamine oligosaccharide.
[(2R,3R,4S,5R,6S)-6-[(2R,3S,4R,5R,6R)-5-acetamido-4,6-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,4,5-trihydroxyoxan-2-yl]methyl dihydrogen phosphate