title: Microbiological hydroxylation of steroids. 3. A convenient, microbiological route to 15-oxygenated 5-alpha-androstanes.
mesh_terms: D000731:Androstanes; D001230:Aspergillus / Q000378:metabolism*; D055598:Chemical Phenomena; D002621:Chemistry; D007659:Ketones; D010407:Penicillium / Q000378:metabolism*
chemical_list: D000731:Androstanes; D007659:Ketones