 | C4X-12249 | 146794-70-9 | Impurity | |
| Cefadroxil Impurity 9 |
 | C4X-12251 | 1916-07-0 | Impurity | |
| Trimethoprim EP Impurity H |
 | C4X-122511 | 213745-86-9 | Impurity | |
| Trimethoprim EP Impurity A |
 | C4X-122512 | 92653-78-6 | Impurity | |
| Trimethoprim Impurity 12 |
 | C4X-122514 | 154389-62-5 | Impurity | |
| Trimethoprim Impurity 14 |
 | C4X-122515 | 93885-69-9 | Impurity | |
| Trimethoprim Impurity 15 |
| C4X-122516 | N/A | Impurity | |
| Trimethoprim Impurity 16 |
| C4X-122517 | N/A | Impurity | |
| Trimethoprim Impurity 17 |
 | C4X-12252 | 30806-86-1 | Impurity | |
| Trimethoprim EP Impurity B |
 | C4X-12253 | 29606-06-2 | Impurity | |
| Trimethoprim EP Impurity C |
