| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-20499 | 588-52-3 | Impurity | |
| Phenacetin Impurity 9 | ||||
| C4X-20501 | 313983-06-1 | Impurity | |
| Zanamivir Impurity 1 | ||||
| C4X-205010 | N/A | Impurity | |
| Zanamivir EP Impurity A | ||||
| C4X-205011 | N/A | Impurity | |
| Zanamivir Impurity 11 | ||||
 | C4X-20503 | 130525-62-1 | Impurity | |
| Zanamivir EP Impurity C | ||||
 | C4X-20504 | 179531-53-4 | Impurity | |
| Zanamivir EP Impurity D | ||||
| C4X-20505 | N/A | Impurity | |
| Zanamivir EP Impurity E | ||||
 | C4X-20506 | 4023-02-3 | Impurity | |
| Zanamivir EP Impurity F(HCl) | ||||
 | C4X-20508 | 179531-57-8 | Impurity | |
| Zanamivir EP Impurity H | ||||
| C4X-205110 | N/A | Impurity | |
| Calcium Dobesilate Impurity 10 | ||||
