The molecule is dianion of UDP-N-acetyl-6-deoxy-beta-L-talosamine arising from deprotonation of both free diphosphate OH groups; major species at pH 7.3. It is a conjugate base of an UDP-2-acetamido-2,6-dideoxy-beta-L-talose.
[(2R,3R,4S,5S,6S)-3-acetamido-4,5-dihydroxy-6-methyloxan-2-yl] [[(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl] phosphate