 | C4X-17671 | 40546-94-9 | Impurity | |
| Tolterodine Impurity 1 |
 | C4X-176711 | N/A | Impurity | |
| Tolterodine EP Impurity E HCl |
| C4X-176720 | 124937-54-8 | Impurity | |
| (S)-Tolterodine D-Tartrate |
| C4X-176723 | N/A | Impurity | |
| (S)-Tolterodine HCl |
| C4X-176725 | N/A | Impurity | |
| Tolterodine Impurity 25 HCl |
| C4X-176726 | 828933-86-4 | Impurity | |
| Tolterodine Impurity 26 |
| C4X-176727 | 124936-74-9(free base) | Impurity | |
| Racemic Tolterodine |
 | C4X-176729 | 124937-85-5 | Impurity | |
| Tolterodine Impurity 29 |
| C4X-176730 | 124937-62-8 | Impurity | |
| Tolterodine Impurity 30 |
 | C4X-17674 | 1391053-65-8 | Impurity | |
| Tolterodine EP Impurity D |
