The molecule is an organophosphate oxoanion obtained by deprotonation of the phosphate OH groups of D-xylulose 1,5-bisphosphate; major microspecies at pH 7.3. It is a conjugate base of a D-xylulose 1,5-bisphosphate.
[(2R,3S)-2,3-dihydroxy-4-oxo-5-phosphonatooxypentyl] phosphate