| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-107710 | 188399-46-4 | Impurity | |
| 1R 3S 4R-Ent-Entecavir | ||||
 | C4X-107711 | 1367369-80-9 | Impurity | |
| Entecavir EP Impurity D | ||||
 | C4X-107712 | 142217-78-5 | Impurity | |
| Entecavir Impurity 12 | ||||
 | C4X-107713 | 142217-79-6 | Impurity | |
| Entecavir Impurity 13 | ||||
 | C4X-107714 | 142217-80-9 | Impurity | |
| Entecavir Impurity 14 | ||||
 | C4X-107715 | 142217-81-0 | Impurity | |
| Entecavir Impurity 15 | ||||
 | C4X-107716 | N/A | Impurity | |
| Entecavir Impurity 16 (Mixture of Diastereomers) | ||||
| C4X-107717 | N/A | Impurity | |
| Entecavir Impurity 17 | ||||
| C4X-107718 | N/A | Impurity | |
| Entecavir Impurity 18 | ||||
| C4X-107719 | 1030919-51-7 | Impurity | |
| Entecavir Impurity 19 | ||||
