title: Steroids. II. The use of multiple development in the correlation of the chemical constitutions and the chromatographic migrations of some 17-ketosteroids and their 2,4-dinitrophenylhydrazones.
mesh_terms: D015068:17-Ketosteroids / Q000032:analysis*; D000731:Androstanes / Q000032:analysis; D000738:Androsterone / Q000032:analysis; D002855:Chromatography, Thin Layer; D003687:Dehydroepiandrosterone / Q000032:analysis; D005043:Etiocholanolone / Q000032:analysis; D006834:Hydrazines / Q000032:analysis*; D006835:Hydrazones / Q000032:analysis; D006914:Hydroxysteroids / Q000032:analysis; D007664:Ketosteroids / Q000032:analysis; D008433:Mathematics; D008722:Methods; D009578:Nitrobenzenes / Q000032:analysis; D013329:Structure-Activity Relationship
chemical_list: D015068:17-Ketosteroids; D000731:Androstanes; D006834:Hydrazines; D006835:Hydrazones; D006914:Hydroxysteroids; D007664:Ketosteroids; D009578:Nitrobenzenes; D003687:Dehydroepiandrosterone; D005043:Etiocholanolone; D000738:Androsterone