(11beta,17beta)-11-Fluoro-17-hydroxyestran-3-one 11-Fluoro-19-nordihydrotestosterone 111984-13-5 11beta-F-19-Nor-dht 11beta-Fluoro-19-nor-5alpha-dihydrotestosterone Estran-3-one, 11-fluoro-17-hydroxy-, (11beta,17beta)-