The molecule is an oligosaccharide phosphate consisting of beta-D-galactose having 3-O-phosphono-beta-D-glucosyl and alpha-L-rhamnosyl residues attached at positions 4 and 2 respectively. It is an oligosaccharide phosphate and a trisaccharide derivative.
[(2S,3R,4S,5R,6R)-2-[(2R,3R,4S,5R,6R)-4,6-dihydroxy-2-(hydroxymethyl)-5-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl] dihydrogen phosphate