 | C4X-106714 | 103833-72-3 | Impurity | |
| Levetiracetam Impurity 14 |
 | C4X-106715 | 33996-58-6 | Impurity | |
| Levetiracetam Racemate |
 | C4X-106719 | 15399-22-1 | Impurity | |
| Levetiracetam Impurity 19 |
 | C4X-10672 | 358629-47-7 | Impurity | |
| Levetiracetam EP Impurity B |
| C4X-106720 | 1867585-44-1 | Impurity | |
| Levetiracetam Impurity 20 |
 | C4X-106721 | 67118-31-4 | Impurity | |
| Levetiracetam EP Impurity A |
| C4X-106722 | N/A | Impurity | |
| Levetiracetam Impurity 22 |
| C4X-106724 | 79194-54-0 | Impurity | |
| Levetiracetam Impurity 24 |
| C4X-106725 | 263552-76-7 | Impurity | |
| Levetiracetam impurity 25 |
 | C4X-106726 | 20496-01-9 | Impurity | |
| Levetiracetam Impurity 26 |
