 | C4X-157832 | 4461-29-4 | Impurity | |
| Cefoxitin Impurity 32 |
 | C4X-15784 | 1422023-33-3 | Impurity | |
| Cefoxitin EP Impurity D |
 | C4X-15787 | 10590-10-0 | Impurity | |
| Cefoxitin EP Impurity C?Cefalotin EP Impurity D? |
 | C4X-15791 | 80210-62-4 | Impurity | |
| Cefpodoxime Proxetil EP Impurity A |
 | C4X-157910 | N/A | Impurity | |
| Cefpodoxime Proxetil Impurity 10 |
 | C4X-157913 | 947692-16-2 | Impurity | |
| Cefpodoxime Proxetil EP Impurity H |
| C4X-157919 | N/A | Impurity | |
| Cefpodoxime Proxetil Impurity 19 |
 | C4X-15792 | 947692-14-0 | Impurity | |
| Cefpodoxime Proxetil EP Impurity B |
| C4X-157924 | N/A | Impurity | |
| Cefpodoxime Proxetil Impurity 24 |
 | C4X-15793 | 339528-86-8 | Impurity | |
| Cefpodoxime Proxetil EP Impurity C |
