title: Hydroxylation of delta4-steroids by osmium tetraoxide; Stereochemistry and substituent effects.
mesh_terms: D002782:Cholestenes; D006900:Hydroxylation; D006914:Hydroxysteroids / Q000138:chemical synthesis; D009992:Osmium; D010087:Oxides; D013237:Stereoisomerism
chemical_list: D002782:Cholestenes; D006914:Hydroxysteroids; D010087:Oxides; D009992:Osmium