Similar names: Pregn-4-ene-3,20-dione, 9-fluoro-11β,17-dihydroxy-, 17-acetate (7CI,8CI); Progesterone, 9-fluoro-11β,17-dihydroxy-, 17-acetate (6CI); (11β)-17-(Acetyloxy)-9-fluoro-11-hydroxypregn-4-ene-3,20-dione; 17α-Acetoxy-9α-fluoro-11β-hydroxy-pregn-4-ene-3,20-dione; 17α-Acetoxy-9α-fluoro-11β-hydroxyprogesterone; 9α-Fluoro-11β-hydroxy-17α-acetoxypregn-4-ene-3,20-dione; Chronogest; Cronolone; FGA; Flugestone acetate; Fluorogestone acetate; Flurogestone acetate; Gyncro-Mate; NSC 65411; SC 9880; Synchronate; Syncro-Mate