| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-172076 | 204254-84-2 | Impurity | |
| Oseltamivir Impurity 76 | ||||
 | C4X-172077 | 136994-78-0 | Impurity | |
| Oseltamivir Impurity 77 | ||||
| C4X-172078 | N/A | Impurity | |
| Oseltamivir Impurity 78 | ||||
| C4X-172079 | N/A | Impurity | |
| Oseltamivir Impurity 79 | ||||
 | C4X-17208 | 204254-96-6 | Impurity | |
| Oseltamivir Intermediate 8 | ||||
| C4X-172080 | 793667-32-0 | Impurity | |
| Oseltamivir Impurity 80 | ||||
| C4X-172081 | N/A | Impurity | |
| Oseltamivir Impurity 81 | ||||
| C4X-172082 | N/A | Impurity | |
| Oseltamivir Impurity 82 | ||||
| C4X-172083 | 212504-90-0?free base? | Impurity | |
| Oseltamivir Impurity 83 | ||||
| C4X-172085 | N/A | Impurity | |
| Oseltamivir Impurity 85 | ||||
