title: 6,7-Unsaturated 5 beta-steroids as intermediates for labelling with isotopic hydrogen.
mesh_terms: D002384:Catalysis; D003903:Deuterium; D005043:Etiocholanolone / Q000138:chemical synthesis*; D006865:Hydrogenation; D007553:Isotope Labeling; D009682:Magnetic Resonance Spectroscopy; D011276:Pregnanediol / Q000138:chemical synthesis*; D013237:Stereoisomerism; D013329:Structure-Activity Relationship
chemical_list: D005043:Etiocholanolone; D003903:Deuterium; D011276:Pregnanediol