| 20-beta-hydroxy-pregn-4-en-3-on |
| (20R)-20-hydroxypregn-4-en-3-one |
| 20-beta-dihydroprogesterone |
| 20-beta-hydroxydihydroprogesterone |
| 20-beta-hydroxypregn-4-en-3-one |
| 20-beta-hydroxyprogesterone |
| 20-beta-progerol |
| 4-pregnen-2-beta-ol-3-one |
| (20-r)-pregn-4-en-3-on |
| progesterol-20-beta |
| 4-pregnen-20b-ol-3-one |
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