| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-196230 | 357424-21-6 | Impurity | |
| Varenicline Impurity 30 | ||||
 | C4X-196231 | 1333145-89-3 | Impurity | |
| Varenicline Impurity 31 | ||||
 | C4X-196233 | N/A | Impurity | |
| Varenicline Impurity 33 | ||||
| C4X-196234 | N/A | Impurity | |
| Varenicline Impurity 34 | ||||
| C4X-196235 | N/A | Impurity | |
| Varenicline Impurity 35 | ||||
| C4X-196237 | N/A | Impurity | |
| Varenicline Impurity 36 | ||||
 | C4X-196239 | 608-89-9 | Impurity | |
| Varenicline Impurity 39 | ||||
| C4X-196240 | N/A | Impurity | |
| Varenicline Impurity 40 | ||||
| C4X-196241 | 357425-48-0 | Impurity | |
| Varenicline Impurity 41 | ||||
| C4X-196242 | 608-89-9 (free acid) | Impurity | |
| Varenicline Impurity 42 Sodium Salt | ||||
