The molecule is an organophosphate oxoanion obtained by global deprotonation of the phosphate OH groups of (1->4)-3,6-bis(phospho)-alpha-D-glucan; major species at pH 7.3. It is an organophosphate oxoanion and a polyanionic polymer.
[(2S,3R,4S,5R,6R)-2,3,5-trihydroxy-6-(phosphonatooxymethyl)oxan-4-yl] phosphate