The molecule is a 3-oxo Delta(4)-steroid that is progesterone substituted by a beta-methyl group at position 16. It is a 20-oxo steroid and a 3-oxo-Delta(4) steroid. It derives from a progesterone. It derives from a hydride of a pregnane.
(8S,9S,10R,13S,14S,16S,17S)-17-acetyl-10,13,16-trimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one