Similar names: Pregna-4,6-diene-3,20-dione, 6-chloro-17-hydroxy-, acetate (6CI,7CI,8CI); 17-(Acetyloxy)-6-chloropregna-4,6-diene-3,20-dione; 17-Acetoxy-6-chloro-6-dehydroprogesterone; 17-Acetoxy-6-chloropregna-4,6-diene-3,20-dione; 17α-Acetoxy-6-chloro-4,6-pregnadiene-3,20-dione; 17α-Acetoxy-6-chloro-6,7-dehydroprogesterone; 6-Chloro-17-acetoxy-4,6-pregnadiene-3,20-dione; 6-Chloro-17-hydroxypregna-4,6-diene-3,20-dione acetate; 6-Chloro-17α-acetoxy-4,6-pregnadiene-3,20-dione; 6-Chloro-17α-hydroxy-4,6-pregnadiene-3,20-dione 17-acetate; 6-Chloro-17α-hydroxy-Δ6-progesterone acetate; 6-Chloro-17α-hydroxypregna-4,6-diene-3,20-dione acetate; 6-Chloro-6,7-dehydro-17-acetoxyprogesterone; 6-Chloro-6-dehydro-17-acetoxyprogesterone; 6-Chloro-6-dehydro-17α-acetoxyprogesterone; 6-Chloro-pregna-4,6-dien-17α-ol-3,20-dione acetate; 6-Chloro-Δ4,6-pregnadien-17α-ol-3,20-dione 17-acetate; 6-Chloro-Δ6-17-acetoxyprogesterone; 6-Chloro-Δ6-[17α]acetoxyprogesterone; 6-Chloro-Δ6-dehydro-17-acetoxyprogesterone; 6-Dehydro-6-chloro-17α-acetoxyprogesterone; Ay 13390-6; Bellissima; Bovisynchron; CAP; Cero; Chlormadinon acetate; Chlormadinone acetate; Chronosyn; Clordion; Cyclonorm; Fertiletten; Gestafortin; Lormin; Luteran; Lutinyl; Lutoral; Lutoral (Syntex); Matrol; Menstridyl; NSC 92338; Natrol; Normenon; Prostal; RS 1280; Retex; Skedule TM; Synchrosyn; Synchrosyn P; Traslan; Verton