 | C4X-173737 | N/A | Impurity | |
| Prednisolone Impurity 37 |
| C4X-173738 | N/A | Impurity | |
| Prednisolone Sodium Phosphate USP Impurity I |
 | C4X-17374 | 16355-29-6 | Impurity | |
| Prednisolone EP Impurity D |
| C4X-173740 | N/A | Impurity | |
| Prednisolone Impurity 40 |
| C4X-173741 | N/A | Impurity | |
| Prednisolone Impurity 41 |
 | C4X-17375 | 95815-58-0 | Impurity | |
| Prednisolone EP Impurity E |
 | C4X-17376 | 600-90-8 | Impurity | |
| Prednisolone EP Impurity F |
 | C4X-17378 | 2427-64-7 | Impurity | |
| Prednisolone EP Impurity H |
 | C4X-17379 | 13479-38-4 | Impurity | |
| Prednisolone EP Impurity I |
| C4X-17391 | N/A | Impurity | |
| Proguanil impurity 1 |
