title: [17,18-cyclosteroids. Synthesis of 5 alpha and 5 beta epimers of 17,18-cycloandrostane. 3].
mesh_terms: D000731:Androstanes / Q000138:chemical synthesis*; D003525:Cyclosteroids / Q000138:chemical synthesis*; D013237:Stereoisomerism
chemical_list: D000731:Androstanes; D003525:Cyclosteroids
vernacular_title: 17,18-ciclosteroidi. Sintesi degli epimeri 5 alpha e 5 beta-17,18-cicloandrostano. 3.