The molecule is a cholestanoid that is (5alpha,25R)-cholest-4-en-26-oic acid substituted at position 3 by an oxo group. It is a conjugate acid of a (25R)-Delta(4)-dafachronate.
(2R,6R)-6-[(8S,9S,10R,13R,14S,17R)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl]-2-methylheptanoic acid