| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-107753 | N/A | Impurity | |
| Entecavir Impurity 53 | ||||
 | C4X-107754 | 1354695-86-5 | Impurity | |
| Entecavir Impurity 54 | ||||
 | C4X-107755 | 1354695-84-3 | Impurity | |
| Entecavir Impurity 55 | ||||
 | C4X-107756 | 1354695-85-4 | Impurity | |
| Entecavir Impurity 56 | ||||
 | C4X-107757 | 84868-56-4 | Impurity | |
| Entecavir Impurity 57 | ||||
| C4X-107758 | N/A | Impurity | |
| Entecavir Impurity 58 | ||||
| C4X-107759 | N/A | Impurity | |
| Entecavir Impurity 59 | ||||
 | C4X-10776 | 1367369-77-4 | Impurity | |
| Entecavir EP Impurity B | ||||
 | C4X-107760 | 142217-77-4 | Impurity | |
| Entecavir Impurity 60 | ||||
| C4X-107761 | 1907700-40-6 | Impurity | |
| Entecavir Impurity 61 | ||||
