 | 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 |
| C4X-159170 | 2749361-92-8 | Impurity | |
| Parecoxib Impurity 70 |
| C4X-159171 | 2304623-38-7 | Impurity | |
| Parecoxib Impurity 71 |
 | C4X-15918 | 181696-35-5 | Impurity | |
| Parecoxib sodium Impurity 8 |
 | C4X-15919 | 1373038-56-2 | Impurity | |
| Parecoxib sodium Impurity 9 |
