SEARCH Articles Figures Tables 4-Androstene-3,17-dione 4-Androstene-3,17-dione 5-Androstene-3,17-dione isomerization 5-Androstene-3,17-dione preparation 6/3-Hydroxy-androstene-3,17-dione A -Androstene-3,17-dione A4-Androstene-3,17-dione Androstene Androstene-3,17-dion Androstene-3,17-dion Androstenes D-Homo-4-androstene-3,17a-dione