 | 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 |
 | C4X-15921 | 5534-13-4 | Impurity | |
| Clobetasol Propionate EP Impurity A |
 | C4X-159210 | 1486466-31-2 | Impurity | |
| Clobetasol Propionate EP Impurity J |
 | C4X-159211 | 75883-07-7 | Impurity | |
| Clobetasol Propionate EP Impurity K |
 | C4X-159212 | 3109-01-1 | Impurity | |
| Clobetasol Propionate Impurity 12 |
 | C4X-159213 | 1356190-17-4 | Impurity | |
| Clobetasol Propionate EP Impurity B |
 | C4X-159216 | 25122-52-5 | Impurity | |
| Clobetasol Propionate EP Impurity C |
