 | C4X-176713 | N/A | Impurity | |
| Tolterodine Impurity 13 |
| C4X-176714 | 87462-12-2 | Impurity | |
| Tolterodine Impurity 14(Z/E Mixture) |
 | C4X-176715 | 380636-49-7 | Impurity | |
| (R)-5-Hydroxymethyl Tolterodine Formate |
 | C4X-176718 | 124935-89-3 | Impurity | |
| Tolterodine Impurity 18 |
| C4X-176719 | 837376-36-0 | Impurity | |
| Tolterodine Impurity 19 |
| C4X-176720 | 124937-54-8 | Impurity | |
| (S)-Tolterodine D-Tartrate |
| C4X-176721 | 1043911-42-7 | Impurity | |
| Tolterodine Impurity 21 |
| C4X-176723 | N/A | Impurity | |
| (S)-Tolterodine HCl |
| C4X-176724 | N/A | Impurity | |
| Tolterodine EP Impurity E (R-Isomer) HCl |
| C4X-176725 | N/A | Impurity | |
| Tolterodine Impurity 25 HCl |
