| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-107734 | 1354695-79-6 | Impurity | |
| Entecavir Impurity 34 | ||||
 | C4X-107735 | 1354695-82-1 | Impurity | |
| Entecavir Impurity 35 | ||||
| C4X-107736 | N/A | Impurity | |
| 1R 3S 4R-Entecavir H2O | ||||
| C4X-107737 | 1367369-80-9?free base? | Impurity | |
| 1S 3R 4R-Entecavir | ||||
| C4X-107741 | N/A | Impurity | |
| Entecavir Impurity 41 | ||||
| C4X-107742 | N/A | Impurity | |
| Entecavir Impurity 42 | ||||
| C4X-107743 | N/A | Impurity | |
| Entecavir Impurity 43 | ||||
| C4X-107744 | 1354715-30-2 | Impurity | |
| Entecavir Impurity 44 | ||||
 | C4X-107745 | 3587-60-8 | Impurity | |
| Entecavir Impurity 45 | ||||
| C4X-107746 | N/A | Impurity | |
| Entecavir Impurity 46 | ||||
