The molecule is a monocarboxylic acid anion arising from deprotonation of the carboxy group of pseudaminic acid; major species at pH 7.3. It is a carbohydrate acid derivative anion and a monocarboxylic acid anion. It is a conjugate base of a pseudaminic acid.
(2S,4S,5S,6S)-5-acetamido-6-[(1S,2S)-1-acetamido-2-hydroxypropyl]-2,4-dihydroxyoxane-2-carboxylate