 | C4X-159114 | 1709956-89-7 | Impurity | |
| Parecoxib Sodium Impurity 14 |
 | C4X-159115 | 386273-25-2 | Impurity | |
| Parecoxib Sodium Impurity 15 |
 | C4X-159116 | 198471-06-6 | Impurity | |
| Parecoxib sodium Impurity 16 |
 | C4X-159117 | 451-40-1 | Impurity | |
| Parecoxib sodium Impurity 17 |
 | C4X-159118 | 181696-73-1 | Impurity | |
| Parecoxib sodium Impurity 18 |
 | C4X-159119 | 37928-17-9 | Impurity | |
| Parecoxib sodium Impurity 19 |
 | C4X-15912 | 181695-72-7 | Impurity | |
| Parecoxib sodium Impurity 2 |
 | C4X-159120 | 952-06-7 | Impurity | |
| Parecoxib sodium Impurity 20 |
| C4X-159121 | N/A | Impurity | |
| Parecoxib sodium Impurity 21 |
 | C4X-159122 | 139395-94-1 | Impurity | |
| Parecoxib Sodium Impurity 22 |
