17-beta-isoxazolyl and 17-beta-pyrazolyl steroids from 3-beta-hydroxy-21-formylpregn-5-en-20-one. Structural assignments.
D002625:Chemistry, Organic; D009682:Magnetic Resonance Spectroscopy; D055601:Organic Chemistry Phenomena; D011720:Pyrazoles
D011720:Pyrazoles