 | C4X-144318 | 49841-96-5 | Impurity | |
| Ampicillin EP Impurity C(Isomeric mixture 2) |
| C4X-144319 | N/A | Impurity | |
| Ampicillin Impurity 19 |
 | C4X-14432 | 19379-33-0 | Impurity | |
| Ampicillin EP Impurity B |
| C4X-144320 | N/A | Impurity | |
| Ampicillin Impurity 20 |
| C4X-144321 | N/A | Impurity | |
| Ampicillin Impurity 21 |
| C4X-144322 | 4493-18-9 | Impurity | |
| Ampicillin Impurity 22 |
| C4X-144323 | N/A | Impurity | |
| Ampicillin Impurity 23 |
 | C4X-144326 | 73200-73-4 | Impurity | |
| Ampicillin EP Impurity H |
| C4X-144327 | N/A | Impurity | |
| Ampicillin Impurity 27 ?Mixture of Diastereoisomer? |
| C4X-144328 | N/A | Impurity | |
| Ampicillin EP Impurity M Disodium Salt |
