[19-Nor-steroids V. New synthesis of 6-dehydro-19-nor-steroids].
D009654:Norsteroids / Q000138:chemical synthesis*; D011374:Progesterone / Q000138:chemical synthesis
D009654:Norsteroids; D011374:Progesterone
19-Nor-Steroide V. Neue Synthese von 6-Dehydro-19-nor-Steroiden.