17-(Acetyloxy)pregna-4,6-diene-3,20-dione; 17-Hydroxypregna-4,6-diene-3,20-dione Acetate; 17?-Acetoxypregna-4,6-diene-3,20-dione; 17?-Hydroxy-6-dehydroprogesterone Acetate; Melengestro Acetate; NSC 77897; Pregna-4,6-dien-17-ol-3,20-dione Acetate; ?6-Dehydro-17?-acetoxyprogesterone;6,7-Dehydro-17?-acetoxy Progesterone
