 | C4X-10662 | 13057-72-2 | Impurity | |
| Ipriflavone Impurity 2 |
 | C4X-10663 | 13057-73-3 | Impurity | |
| Ipriflavone Impurity 3 |
| C4X-10664 | 50561-04-1 | Impurity | |
| Ipriflavone Impurity 4 |
 | C4X-10671 | 102849-49-0 | Impurity | |
| Levetiracetam impurity A |
| C4X-106710 | N/A | Impurity | |
| Levetiracetam impurity 10 |
 | C4X-106711 | 7682-20-4 | Impurity | |
| Levetiracetam EP Impurity G |
 | C4X-106712 | 103765-03-3 | Impurity | |
| Levetiracetam Impurity 12 |
 | C4X-106713 | 102767-31-7 | Impurity | |
| Levetiracetam Related Compound A |
 | C4X-106714 | 103833-72-3 | Impurity | |
| Levetiracetam Impurity 14 |
 | C4X-106715 | 33996-58-6 | Impurity | |
| Levetiracetam Racemate |
