 | C4X-18297 | 1644566-39-1 | Impurity | |
| Letrozole Impurity 7 |
| C4X-18298 | 2170106-13-3 | Impurity | |
| Letrozole Impurity 8 |
 | C4X-18299 | 143030-54-0 | Impurity | |
| Letrozole Impurity 9 |
| C4X-18301 | N/A | Impurity | |
| Lacosamide EP Impurity H(RR-Isomer) |
 | C4X-183010 | 175481-38-6 | Impurity | |
| Lacosamide EP Impurity F (R-isomer) |
 | C4X-183011 | 1322062-76-9 | Impurity | |
| Lacosamide EP Impurity D HCl (R-isomer) |
 | C4X-183012 | 175481-37-5 | Impurity | |
| Lacosamide EP Impurity A |
 | C4X-183013 | 175481-39-7 | Impurity | |
| Lacosamide EP Impurity E(R-Isomer) |
 | C4X-183015 | 196601-69-1 | Impurity | |
| Lacosamide EP Impurity D (R-isomer) |
| C4X-183016 | N/A | Impurity | |
| Lacosamide Impurity 16 |
