 | C4X-172054 | N/A | Impurity | |
| Oseltamivir EP Impurity E(Phosphate) |
| C4X-172055 | N/A | Impurity | |
| Oseltamivir Impurity 55 |
| C4X-172057 | N/A | Impurity | |
| Oseltamivir Impurity 57 |
 | C4X-172059 | 722-97-4 | Impurity | |
| Oseltamivir Impurity 59 |
| C4X-17206 | N/A | Impurity | |
| Oseltamivir EP Impurity F formate?Mixture of Diastereomers? |
 | C4X-172061 | 2413185-89-2 | Impurity | |
| Oseltamivir Impurity 61 |
 | C4X-172063 | 1266663-89-1 | Impurity | |
| Oseltamivir Impurity 63 |
 | C4X-172066 | 1035895-89-6 | Impurity | |
| Ent-Oseltamivir Phosphate |
 | C4X-17207 | 956267-10-0 | Impurity | |
| Oseltamivir EP Impurity G |
| C4X-172071 | N/A | Impurity | |
| Oseltamivir Impurity 71 |
