title: Regionspecific syntheses of modified steroid hormones. IV. 4-Bromo-oestrone and -17 -oestradiol.
mesh_terms: D001966:Bromine; D004958:Estradiol / Q000138:chemical synthesis*; D004970:Estrone / Q000138:chemical synthesis*; D008722:Methods; D009654:Norsteroids / Q000138:chemical synthesis
chemical_list: D009654:Norsteroids; D004970:Estrone; D004958:Estradiol; D001966:Bromine