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