Steroidal beta-lactams.
D000731:Androstanes / Q000138:chemical synthesis; D055598:Chemical Phenomena; D002621:Chemistry; D002845:Chromatography; D006718:Homosteroids / Q000138:chemical synthesis*; D009682:Magnetic Resonance Spectroscopy; D009277:Nandrolone; D009584:Nitrogen; D009654:Norsteroids; D013739:Testosterone
D000731:Androstanes; D006718:Homosteroids; D009654:Norsteroids; D013739:Testosterone; D009277:Nandrolone; D009584:Nitrogen