The molecule is a steroid hormone that is 17beta-hydroxy-3-oxoestra-4,9-diene substituted at position 17 by a cyanomethyl group. Used as an oral contraceptive. It has a role as a synthetic oral contraceptive, a progesterone receptor agonist and a progestin. It is a 17beta-hydroxy steroid, a 3-oxo-Delta(4) steroid, a steroid hormone and an aliphatic nitrile. It derives from a hydride of an estrane.
2-[(8S,13S,14S,17R)-17-hydroxy-13-methyl-3-oxo-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl]acetonitrile