 | C4X-159140 | 2235371-89-6 | Impurity | |
| Parecoxib sodium Impurity 40 |
| C4X-159144 | 2338845-31-9 | Impurity | |
| Parecoxib Impurity 44 |
| C4X-159145 | 75115-00-3 | Impurity | |
| Parecoxib sodium Impurity 45 |
 | C4X-159146 | 477594-28-8 | Impurity | |
| Parecoxib Sodium Impurity 46 |
| C4X-159150 | 3026677-40-4 | Impurity | |
| Parecoxib Sodium Impurity 50 |
| C4X-159153 | N/A | Impurity | |
| Parecoxib Sodium Impurity 53 |
| C4X-159162 | 2304623-36-5 | Impurity | |
| Parecoxib Sodium Impurity 62 |
 | C4X-159165 | 96-35-5 | Impurity | |
| Parecoxib Impurity 65 |
 | C4X-159168 | 1373038-60-8 | Impurity | |
| Parecoxib Impurity 68 |
| C4X-159169 | 2229657-84-3 | Impurity | |
| Parecoxib Impurity 69 Sodium Salt |
