title: 16-Substituted steroids; 16-keto-alpha-estradiol and 16-ketoestrone.
mesh_terms: D004958:Estradiol / Q000031:analogs & derivatives; D004970:Estrone / Q000031:analogs & derivatives; D013256:Steroids
chemical_list: D013256:Steroids; C063035:estradiol-16; C002591:16-ketoestrone; D004970:Estrone; D004958:Estradiol
keywords: STEROIDS