| Label | Id | |
|---|---|---|
| (20S)-hydroxypregn-4-en-3-one | 28453 | |
| (S)-20-Hydroxypregn-4-en-3-one | 28453 | |
| 20alpha-Hydroxy-4-pregnen-3-one | 28453 | |
| 20alpha-Hydroxypregn-4-en-3-one | 28453 | |
| 20alpha-Hydroxyprogesterone | 28453 | |
| 20alpha-dihydroprogesterone | 28453 | |
| dihydroprogesterone | 28453 |