 | C4X-164921 | 54664-65-2 | Impurity | |
| Fluorouracil Impurity 21 |
| C4X-164922 | N/A | Impurity | |
| Fluorouracil Impurity 22 |
| C4X-164923 | N/A | Impurity | |
| Fluorouracil Impurity 23 |
| C4X-164924 | 25649-35-8 | Impurity | |
| "Imidodicarbonimidic acid, 1,3-dimethyl ester" |
 | C4X-16496 | 56177-80-1 | Impurity | |
| Fluorouracil EP Impurity F |
| C4X-16498 | 58629-87-1 | Impurity | |
| Fluorouracil Impurity 8 |
 | C4X-16499 | 14150-95-9 | Impurity | |
| 2-Aminopyridine N-Oxide |
 | C4X-165010 | 960071-64-1 | Impurity | |
| Fluticasone Propionate EP Impurity I |
 | C4X-165011 | 1219174-94-3 | Impurity | |
| Fluticasone Propionate EP Impurity F |
 | C4X-165012 | 80474-24-4 | Impurity | |
| Fluticasone Propionate EP Impurity C |
