The molecule is an organophosphate oxoanion obtained by deprotonation of the phosphate OH groups of maltose 1-phosphate; major species at pH 7.3. It is a conjugate base of a maltose 1-phosphate.
[(2R,3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl] phosphate