| Molecular Formula | C24H30Br2O4 |
| Molar Mass | 542.3 |
| Physical and Chemical Properties | Chemical properties crystallization. |
| Use | Use an intermediate of megestrol. |
Use 17 α-hydroxygestroster-4-ene-3, 20-dione (I. e. 17 α-hydroxyprogesterone) after (3-ketone enolization with ethanol-triethyl orthoformate) etherification, (6-position with carbon tetrabromide) halogenation (then 3-position ketone recovery), and then (17-position hydroxyl) acetylation to prepare the product.