 | C4X-143511 | 21041-10-1 | Impurity | |
| Galantamine Impurity 11 |
 | C4X-143512 | 7318-55-0 | Impurity | |
| Galanthamine impurity 12 |
 | C4X-143515 | 1668-86-6 | Impurity | |
| (+/-)-Narwedine |
 | C4X-143516 | 193146-85-9 | Impurity | |
| Galantamine Hydrobromide Racemic |
| C4X-143517 | 252869-09-3 | Impurity | |
| Galanthamine Impurity 17 |
| C4X-143518 | N/A | Impurity | |
| Galanthamine Impurity 18 |
| C4X-143519 | 1201809-28-0 | Impurity | |
| Galantamine EP Impurity E HBr |
 | C4X-14352 | 1668-85-5 | Impurity | |
| Galantamine EP Impurity B (epi-Galantamine) |
| C4X-143520 | N/A | Impurity | |
| Galantamine EP Impurity D (Anhydro Galantamine) HBr |
 | C4X-14354 | 3891-74-5 | Impurity | |
| Galantamine Impurity 4 |
