| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-196212 | N/A | Impurity | |
| Varenicline Impurity 12 | ||||
 | C4X-196213 | 2755871-02-2 | Impurity | |
| Varenicline Impurity 13 | ||||
| C4X-196214 | N/A | Impurity | |
| Varenicline Impurity 14 | ||||
| C4X-196215 | 2306217-11-6 (Free Base) | Impurity | |
| Varenicline Impurity 15 | ||||
 | C4X-196216 | 1337563-47-9 | Impurity | |
| Varenicline Impurity 16 | ||||
 | C4X-196217 | 2306217-12-7 | Impurity | |
| Varenicline Impurity 17 | ||||
| C4X-196218 | 230615-70-0 | Impurity | |
| Varenicline Impurity 18 | ||||
 | C4X-196219 | 230615-69-7 | Impurity | |
| Varenicline Impurity 19 | ||||
 | C4X-19622 | 796865-82-2 | Impurity | |
| N-Formyl Varenicline | ||||
 | C4X-196220 | 230615-59-5 | Impurity | |
| Varenicline Impurity 20 | ||||
