The molecule is a nucleotide-sugar oxoanion obtained by deprotonation of the diphosphate OH groups of UDP-3-O-[(3R)-3-hydroxytetradecanoyl]-N-acetylglucosamine; major species at pH 7.3. It is a conjugate base of an UDP-3-O-[(3R)-3-hydroxytetradecanoyl]-N-acetyl-alpha-glucosamine.
[(2R,3R,4R,5S,6R)-3-acetamido-5-hydroxy-6-(hydroxymethyl)-4-[(3R)-3-hydroxytetradecanoyl]oxyoxan-2-yl] [[(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl] phosphate