17,17-(Ethylenedioxy)androst-4-en-3Beta-ol

3beta-Hydroxyandrost-4-en-17-one Cyclic Ethylene Acetal; Spiro[17H-cyclopenta[a]phenanthrene-17,2'-[1,3]dioxolane] Androst-4-en-17-one Deriv.; (3beta)-3-Hydroxyandrost-4-en-17-one Cyclic 1,2-Ethanediyl Acetal;