title: Synthesis of 11 beta-vinyl-19-norsteroids as potent progestins.
mesh_terms: D000818:Animals; D005260:Female; D009654:Norsteroids / Q000138:chemical synthesis*; D011817:Rabbits; D011980:Receptors, Progesterone / Q000378:metabolism; D014599:Uterus / Q000378:metabolism; D014753:Vinyl Compounds / Q000138:chemical synthesis*
chemical_list: D009654:Norsteroids; D011980:Receptors, Progesterone; D014753:Vinyl Compounds