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