17beta-(1-Cyclopenten-1-yloxy)androsta-1,4-dien-3-one 17beta-(1-Cyclopentenyloxy)-1,4-androstadien-3-on 2487-63-0 Androsta-1,4-dien-3-one, 17-(1-cyclopenten-1-yloxy)-, (17beta) QUINBOLONE Quinbolona [INN-Spanish] Quinbolone [USAN:INN] Quinbolonum [INN-Latin]