The molecule is a nucleotide-sugar oxoanion arising from deprotonation of the free diphosphate OH groups of UDP-2-acetamido-2-deoxy-3-dehydro-alpha-D-glucopyranose; major species at pH 7.3. It is a conjugate base of an UDP-2-acetamido-2-deoxy-3-dehydro-alpha-D-glucopyranose.
[(2R,3S,5R,6R)-3-acetamido-5-hydroxy-6-(hydroxymethyl)-4-oxooxan-2-yl] [[(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl] phosphate