CAS No.: 595-33-5 Synonyms: 17α-Acetoxy-6-methyl-4,6-pregnadiene-3,20-dione; 17α-Hydroxy-6-methyl-4,6-pregnadiene-3,20-dione 17-acetate; 17α-Hydroxy-6-methyl-6-dehydroprogesterone 17-acetate; Megestrol 17-acetate Formula: C₂₄H₃₂O₄ Formula…