title: 2,4-dinitrophenylhydrazones of 17-ketosteroids. Description of some physicochemical properties and their practical application in quantitative measurements.
mesh_terms: D015068:17-Ketosteroids / Q000032:analysis*; D000738:Androsterone / Q000032:analysis; D055598:Chemical Phenomena; D002621:Chemistry; D002855:Chromatography, Thin Layer; D004140:Dinitrophenols / Q000032:analysis*; D005043:Etiocholanolone / Q000032:analysis; D005069:Evaluation Studies as Topic; D006358:Hot Temperature; D007259:Infrared Rays; D010659:Phenylhydrazines / Q000032:analysis*; D013053:Spectrophotometry; D014466:Ultraviolet Rays; D014961:X-Ray Diffraction
chemical_list: D015068:17-Ketosteroids; D004140:Dinitrophenols; D010659:Phenylhydrazines; D005043:Etiocholanolone; D000738:Androsterone