The molecule is a steroid acid anion that is the conjugate base of 9alpha-hydroxy-3-oxo-23,24-bisnorchola-1,4-dien-22-oic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 9alpha-hydroxy-3-oxo-23,24-bisnorchola-1,4-dien-22-oic acid.
(2S)-2-[(8S,9R,10S,13S,14S,17R)-9-hydroxy-10,13-dimethyl-3-oxo-7,8,11,12,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-17-yl]propanoate