title: 1-Oxo-steroids. Part 2. Model studies for the synthesis of the withanolides.
mesh_terms: D002782:Cholestenes / Q000138:chemical synthesis*; D002783:Cholestenones / Q000138:chemical synthesis*; D007783:Lactones / Q000138:chemical synthesis; D008956:Models, Chemical
chemical_list: D002782:Cholestenes; D002783:Cholestenones; D007783:Lactones