The molecule is a steroid that consists of androstane having double bonds at positions 1 and 4 and two keto groups at positions 3 and 17. It is a 17-oxo steroid, a 3-oxo-Delta(4) steroid and a 3-oxo-Delta(1) steroid. It derives from a hydride of an androstane.
(8R,9S,10R,13S,14S)-10,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-dione