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