The molecule is dianion of N-acetyl-alpha-D-glucosamine 1-phosphate arising from deprotonation of the phosphate OH groups; major species at pH 7.3. It is a conjugate base of a N-acetyl-alpha-D-glucosamine 1-phosphate.
[(2R,3R,4R,5S,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl] phosphate