| Tolterodine Process Impurity 4 | 124937-99-1 | Ax-IMP1760 |
| Mefenamic Acid Impurity | 2114-63-8 | Ax-IMP2845 |
| 2-Amino-pteridin-4-ol (Pterin) | 2236-60-4 | Ax-IMP1754 |
| Tolterodine EP Impurity E | 480432-14-2 | Ax-IMP1755 |
| 2-methylpropane-2-sulfonyl chloride | 10490-22-9 | Ax-1041 |
| Tolterodine Process Impurity 1 | 854306-67-5 | Ax-IMP1756 |
| (E)-4-methoxy-3-(2-nitrovinyl)-1H-indole | 83788-92-5 | Ax-1040 |
| Tolterodine Process Impurity 2 | 854306-68-6 | Ax-IMP1757 |
| 7-METHOXY TRYPTAMINE | 2436-04-6 | Ax-1039 |
| Tolterodine Process Impurity 3 | 854306-69-7 | Ax-IMP1758 |