The molecule is a hydroxy monocarboxylic acid anion that is the conjugate base of 1-deoxy-11beta-hydroxypentalenic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 1-deoxy-11beta-hydroxypentalenic acid.
(1R,2S,3R,5R,8S)-3-hydroxy-2,10,10-trimethyltricyclo[6.3.0.01,5]undec-6-ene-6-carboxylate