title: Steroids IV. Determination of some physiological 17-oxosteroids in the form of their 2,4-dinitrophenylhydrazones.
mesh_terms: D015068:17-Ketosteroids / Q000032:analysis*; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D002855:Chromatography, Thin Layer; D006835:Hydrazones; D007202:Indicators and Reagents; D008722:Methods
chemical_list: D015068:17-Ketosteroids; D006835:Hydrazones; D007202:Indicators and Reagents