title: Microbiological hydroxylation of 4-androstene-3,17-dione.
mesh_terms: D015068:17-Ketosteroids / Q000378:metabolism; D000731:Androstanes / Q000378:metabolism*; D001419:Bacteria / Q000378:metabolism*; D002845:Chromatography; D007259:Infrared Rays; D008722:Methods; D013053:Spectrophotometry
chemical_list: D015068:17-Ketosteroids; D000731:Androstanes