 | C4X-174426 | 99742-35-5 | Impurity | |
| Ramipril EP Impurity C |
 | C4X-17447 | 1246253-05-3 | Impurity | |
| Ramipril EP Impurity J |
 | C4X-174512 | 173990-76-6 | Impurity | |
| Ropinirole EP Impurity D HCl |
 | C4X-174513 | 221264-43-3 | Impurity | |
| Ropinirole EP Impurity C HCl |
 | C4X-174514 | 221264-21-7 | Impurity | |
| Ropinirole EP Impurity A HCl |
| C4X-174519 | 920755-10-8?free base? | Impurity | |
| Ropinirole impurity 19 |
 | C4X-17452 | 1800102-50-4 | Impurity | |
| Ropinirole Impurity 2 |
 | C4X-174523 | 221264-33-1 | Impurity | |
| Ropinirole EP Impurity B HCl |
 | C4X-17453 | 1076199-41-1 | Impurity | |
| Ropinirole Impurity 3 HCl |
 | C4X-17454 | 120427-93-2 | Impurity | |
| Ropinirole Impurity 4 |
