Ring-D-bridge steroid analogs. IV. 14alpha, 17alpha-ethenopregn-4-end-3,20-dione.
D000818:Animals; D002625:Chemistry, Organic; D055601:Organic Chemistry Phenomena; D011374:Progesterone / Q000494:pharmacology*; D013256:Steroids / Q000494:pharmacology*
D013256:Steroids; D011374:Progesterone