| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-16441 | 250214-44-9 | Impurity | |
| Fesoterodine Impurity 1 | ||||
| C4X-164410 | N/A | Impurity | |
| Fesoterodine Impurity 10 | ||||
| C4X-164411 | N/A | Impurity | |
| Fesoterodine Impurity 11 | ||||
| C4X-164412 | 1435768-96-9 | Impurity | |
| Fesoterodine Impurity 12 | ||||
 | C4X-164413 | 1333234-71-1 | Impurity | |
| Fesoterodine Impurity 13 | ||||
 | C4X-164414 | 1262778-55-1 | Impurity | |
| Fesoterodine Impurity 14 | ||||
| C4X-164415 | N/A | Impurity | |
| Fesoterodine Impurity 15 | ||||
| C4X-164416 | 161497-18-3 | Impurity | |
| Fesoterodine Impurity 16 | ||||
| C4X-164417 | N/A | Impurity | |
| Fesoterodine Impurity 17 | ||||
| C4X-164418 | 168335-36-2 | Impurity | |
| Fesoterodine Impurity 18 | ||||
