title: Preparation of androsta-2,5-dien-4-ones.
mesh_terms: D000730:Androstadienes / Q000138:chemical synthesis*; D003687:Dehydroepiandrosterone; D008722:Methods; D013739:Testosterone
chemical_list: D000730:Androstadienes; D013739:Testosterone; D003687:Dehydroepiandrosterone