| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-1720206 | N/A | Impurity | |
| Ostamivir Impurity 206 | ||||
| C4X-1720208 | 2714884-77-0 | Impurity | |
| Ostamivir Impurity 208 | ||||
| C4X-1720216 | N/A | Impurity | |
| Oseltamivir Impurity 216 | ||||
| C4X-1720217 | N/A | Impurity | |
| Oseltamivir Impurity 217 | ||||
| C4X-1720218 | 212504-89-7?free base? | Impurity | |
| Oseltamivir Impurity 218 TFA | ||||
| C4X-172022 | N/A | Impurity | |
| Oseltamivir Impurity 22 | ||||
 | C4X-172028 | 204254-94-4 | Impurity | |
| Oseltamivir Impurity 28 | ||||
| C4X-172030 | 212504-89-7 | Impurity | |
| Oseltamivir Impurity 30 | ||||
| C4X-172033 | 187227-45-8 | Impurity | |
| Oseltamivir EP Impurity C | ||||
| C4X-172034 | N/A | Impurity | |
| Oseltamivir Impurity 34 | ||||
