| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-172081 | N/A | Impurity | |
| Oseltamivir Impurity 81 | ||||
| C4X-172083 | 212504-90-0?free base? | Impurity | |
| Oseltamivir Impurity 83 | ||||
| C4X-172085 | N/A | Impurity | |
| Oseltamivir Impurity 85 | ||||
| C4X-172086 | 651324-08-2 | Impurity | |
| Oseltamivir Impurity 86 | ||||
| C4X-172087 | N/A | Impurity | |
| Oseltamivir Impurity 87 HCI | ||||
| C4X-172088 | N/A | Impurity | |
| Oseltamivir Impurity 88 | ||||
 | C4X-172089 | 1234858-94-6 | Impurity | |
| Oseltamivir Impurity 89 | ||||
 | C4X-17209 | 814-29-9 | Impurity | |
| Oseltamivir EP Impurity H | ||||
| C4X-172090 | N/A | Impurity | |
| Oseltamivir Impurity 90 | ||||
| C4X-172091 | N/A | Impurity | |
| Oseltamivir Impurity 91 | ||||
