The molecule is a fluorinated steroid that is pregn-4-ene substituted by a fluoro group at position 2, a methyl group at position 2 and oxo groups at positions 3, 11 and 20. It is a 3-oxo-Delta(4) steroid, an 11-oxo steroid, a 20-oxo steroid and a fluorinated steroid. It derives from a progesterone. It derives from a hydride of a pregnane.
(2R,8S,9R,10S,13S,14S,17S)-17-acetyl-9-fluoro-2,10,13-trimethyl-1,2,6,7,8,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,11-dione