The molecule is a 5-oxo monocarboxylic acid anion that is the conjugate base of tuberonic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a tuberonic acid.
2-[(1R,2S)-2-[(Z)-5-hydroxypent-2-enyl]-3-oxocyclopentyl]acetate