title: An aromatic C-ring analog of 18-norestrone.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D004967:Estrogens / Q000138:chemical synthesis*; D009654:Norsteroids / Q000138:chemical synthesis*; D013057:Spectrum Analysis
chemical_list: D004967:Estrogens; D009654:Norsteroids