 | C4X-10673 | 142-08-5 | Impurity | |
| Levetiracetam EP Impurity C |
 | C4X-106730 | 5959-29-5 | Impurity | |
| Levetiracetam Impurity 30 |
 | C4X-106732 | 93778-15-5 | Impurity | |
| Levetiracetam Impurity 32 |
| C4X-106733 | 2245069-23-0 | Impurity | |
| Levetiracetam Impurity 33 |
| C4X-106734 | 53726-14-0 | Impurity | |
| Levetiracetam Impurity 34 |
| C4X-106735 | 2259329-89-8 | Impurity | |
| Levetiracetam Impurity 35 |
| C4X-106736 | 18017-35-1 | Impurity | |
| Levetiracetam Impurity 36 |
| C4X-106737 | 1847568-87-9 | Impurity | |
| Levetiracetam Impurity 37 |
 | C4X-10674 | 103765-01-1 | Impurity | |
| Levetiracetam EP Impurity D |
| C4X-10675 | 358629-51-3 | Impurity | |
| Levetiracetam Impurity 5 |
