The molecule is an oxo monocarboxylic acid anion resulting from the deprotonation of the carboxy group of 6-{(1S,5S)-4-oxo-5-[(2Z)-pent-2-en-1-yl]cyclopent-2-en-1-yl}hexanoic acid. The major species at pH 7.3. It is a conjugate base of a 6-{(1S,5S)-4-oxo-5-[(2Z)-pent-2-en-1-yl]cyclopent-2-en-1-yl}hexanoic acid.
6-[(1S,5S)-4-oxo-5-[(Z)-pent-2-enyl]cyclopent-2-en-1-yl]hexanoate