 | 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 |
| C4X-10676 | N/A | Impurity | |
| Levetiracetam impurity 6 |
| C4X-10677 | N/A | Impurity | |
| Levetiracetam impurity 7 |
| C4X-10678 | N/A | Impurity | |
| Levetiracetam impurity 8 |
| C4X-10679 | 1868118-63-1 | Impurity | |
| Levetiracetam impurity 9 |
 | C4X-10681 | 571186-92-0 | Impurity | |
| Imatinib (Pyridine)-N-Oxide |
 | C4X-106810 | 581076-65-5 | Impurity | |
| Imatinib EP Impurity B |
