336-78-7 6.alpha.-Fluoro-17-hydroxyprogesterone, acetate NSC26385 Pregn-4-ene-3,20-dione, 17-(acetyloxy)-6-fluoro-, (6.alpha.)- Pregn-4-ene-3,20-dione, 6.alpha.-fluoro-17-hydroxy-, acetate Progesterone, 6.alpha.-fluoro-17-hydroxy-, acetate