The molecule is a nucleotide-sugar oxoanion obtained by deprotonation of carboxy and phosphate groups of CMP-N,N-diacetyllegionaminate; major species at pH 7.3. It is a conjugate base of a CMP-N,N-diacetyllegionaminic acid.
(2R,4S,5R,6S)-5-acetamido-6-[(1R,2R)-1-acetamido-2-hydroxypropyl]-2-[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl]oxy-4-hydroxyoxane-2-carboxylate