Synonyms: Pregn-4-ene-3,20-dione,9-fluoro-11b,17-dihydroxy-, 17-acetate(7CI,8CI);Progesterone, 9-fluoro-11b,17-dihydroxy-, 17-acetate (6CI);17a-Acetoxy-9a-fluoro-11b-hydroxy-pregn-4-ene-3,20-dione;17a-Acetoxy-9a-fluoro-11b-hydroxyprogesterone;9a-Fluoro-11b-hydroxy-17a-acetoxypregn-4-ene-3,20-dione;Chronogest;Cronolone;FGA;Flugestone acetate;Fluorogestone acetate;Flurogestone acetate;Gyncro-Mate;Synchronate;Syncro-MatePregn-4-ene-3,20-dione,17-(acetyloxy)-9-fluoro-11-hydroxy-, (11b)-;