| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-164421 | 1391913-28-2 | Impurity | |
| Fesoterodine Impurity 21 | ||||
 | C4X-164422 | N/A | Impurity | |
| Fesoterodine Impurity 22 | ||||
| C4X-164424 | 1055330-27-2 | Impurity | |
| Fesoterodine Impurity 24 | ||||
| C4X-164425 | 89840-84-6 | Impurity | |
| Fesoterodine Impurity 25 | ||||
| C4X-164426 | N/A | Impurity | |
| Fesoterodine Impurity 26 | ||||
 | C4X-16443 | 1380491-71-3 | Impurity | |
| Fesoterodine Impurity 3 | ||||
| C4X-16444 | 250214-55-2 | Impurity | |
| Fesoterodine Impurity 4 | ||||
| C4X-16445 | 1208313-12-5 | Impurity | |
| Fesoterodine Impurity 5 | ||||
| C4X-16446 | N/A | Impurity | |
| Fesoterodine Impurity 6 | ||||
| C4X-16447 | N/A | Impurity | |
| Fesoterodine Impurity 7 | ||||
