title: Synthesis and study of the labeling of pregnenolone and progesterone specifically tritiated at the 17 position.
mesh_terms: D000311:Adrenal Glands / Q000166:cytology / Q000378:metabolism; D000818:Animals; D001966:Bromine; D002247:Carbon Isotopes; D002250:Carbon Radioisotopes; D002417:Cattle; D002855:Chromatography, Thin Layer; D003903:Deuterium; D004355:Drug Stability; D005417:Flavobacterium / Q000378:metabolism; D006863:Hydrogen-Ion Concentration; D007553:Isotope Labeling; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D008928:Mitochondria / Q000378:metabolism; D011284:Pregnenolone / Q000138:chemical synthesis* / Q000378:metabolism; D011374:Progesterone / Q000138:chemical synthesis*; D013055:Spectrophotometry, Infrared; D013696:Temperature; D014316:Tritium; D015032:Zinc
chemical_list: D002247:Carbon Isotopes; D002250:Carbon Radioisotopes; D014316:Tritium; D011374:Progesterone; D011284:Pregnenolone; D003903:Deuterium; D015032:Zinc; D001966:Bromine