| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-103965 | 120013-56-1?free base? | Impurity | |
| Donepezil Impurity 65 HCl | ||||
| C4X-103967 | N/A | Impurity | |
| Donepezil Impurity 67 | ||||
| C4X-103968 | N/A | Impurity | |
| Donepezil impurity 68 | ||||
| C4X-103969 | N/A | Impurity | |
| Donepezil Impurity 69 | ||||
 | C4X-10397 | 120013-84-5 | Impurity | |
| Donepezil Impurity 7 | ||||
 | C4X-10399 | 2097683-67-3 | Impurity | |
| Donepezil impurity 9 | ||||
 | C4X-10401 | 918659-10-6 | Impurity | |
| Azelnidipine Impurity 1 | ||||
| C4X-10402 | 90604-02-7 | Impurity | |
| Azelnidipine Impurity 2 HCl | ||||
| C4X-10403 | 170749-59-4 | Impurity | |
| Azelnidipine Impurity 3 | ||||
| C4X-10404 | 1655504-77-0 | Impurity | |
| Azelnidipine Impurity 4 | ||||
