The molecule is a sterol ester that is the O-succinoyl derivative of 3beta-hydroxy-5alpha-pregnan-20-one. It is a dicarboxylic acid monoester, a sterol ester, a 20-oxo steroid and a hemisuccinate.
4-[[(3S,5S,8R,9S,10S,13S,14S,17S)-17-acetyl-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-4-oxobutanoic acid