title: Stereospecific reduction of steroidal 4-ene-3 -ols with hydrazine.
mesh_terms: D000731:Androstanes; D000737:Androstenols; D006834:Hydrazines; D010084:Oxidation-Reduction
chemical_list: D000731:Androstanes; D000737:Androstenols; D006834:Hydrazines