SMILES: C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)CC[C@]45[C@@]3(CC(=C([C@H]4O5)O)C#N)C
Description: The molecule is an epoxy steroid that is 3,17beta-dihydroxy-5alpha-androst-2-ene-2-carbonitrile in which the oxygen of the epoxy group is joined to the 4alpha and 5 alpha positions. It has a role as an antineoplastic agent, an abortifacient and an EC 1.1.1.210 [3beta(or 20alpha)-hydroxysteroid dehydrogenase] inhibitor. It is a 3-hydroxy steroid, a 17beta-hydroxy steroid, an androstanoid, an epoxy steroid and a nitrile.