The molecule is a nucleotide-sugar oxoanion arising from deprotonation of the diphosphate OH groups of UDP-2,3-bis(3-hydroxytetradecanoyl)-D-glucosamine; major species at pH 7.3. It is a conjugate base of an UDP-2,3-bis(3-hydroxytetradecanoyl)-D-glucosamine.
[[(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl] [(3R,4R,5S,6R)-5-hydroxy-6-(hydroxymethyl)-3-(3-hydroxytetradecanoylamino)-4-(3-hydroxytetradecanoyloxy)oxan-2-yl] phosphate