title: The molecular structure of (10R)-17beta-hydroxy-5-methylene-4, 10-cyclo-19-nor-4, 5-seco-17alpha-pregn-20-yn-1-one.
mesh_terms: D008958:Models, Molecular; D008968:Molecular Conformation; D009650:Norpregnanes; D012632:Secosteroids; D013237:Stereoisomerism; D014961:X-Ray Diffraction
chemical_list: D009650:Norpregnanes; D012632:Secosteroids