The molecule is a disaccharide derivative consisting of D-ribitol-5-phosphate having an alpha-L-rhamnosyl residue attached at the 4-position. It is an alditol 5-phosphate and a disaccharide derivative. It derives from a ribitol.
[(2R,3S,4S)-3,4,5-trihydroxy-2-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxypentyl] dihydrogen phosphate