title: Radioimmunoassay of contraceptive steroids. II. Synthesis of 6,7-3H-mestranol and ethinylestradiol of high specific activity.
mesh_terms: D002250:Carbon Radioisotopes; D055598:Chemical Phenomena; D002621:Chemistry; D002855:Chromatography, Thin Layer; D004970:Estrone; D004997:Ethinyl Estradiol / Q000138:chemical synthesis*; D007553:Isotope Labeling; D008656:Mestranol / Q000138:chemical synthesis*; D008722:Methods; D008745:Methylation; D011863:Radioimmunoassay; D014316:Tritium
chemical_list: D002250:Carbon Radioisotopes; D014316:Tritium; D004970:Estrone; D004997:Ethinyl Estradiol; D008656:Mestranol