 | C4X-18301 | N/A | Impurity | |
| Lacosamide EP Impurity H(RR-Isomer) |
 | C4X-183010 | 175481-38-6 | Impurity | |
| Lacosamide EP Impurity F (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-183018 | N/A | Impurity | |
| Lacosamide Impurity 18 |
| C4X-183019 | N/A | Impurity | |
| Lacosamide Impurity 19 |
 | C4X-18302 | 2295925-90-3 | Impurity | |
| Lacosamide EP Impurity I(R-Isomer) |
| C4X-183020 | 75130-24-4 | Impurity | |
| Lacosamide Impurity 20 |
 | C4X-183021 | 100-46-9 | Impurity | |
| Lacosamide EP Impurity J |
