The molecule is a sterol ester that is the O-succinoyl derivative of etiocholanolone. It is a 17-oxo steroid, a sterol ester, a dicarboxylic acid monoester and a hemisuccinate.
4-[[(3S,5R,8R,9S,10S,13S,14S)-10,13-dimethyl-17-oxo-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthren-3-yl]oxy]-4-oxobutanoic acid