 | 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 |
| C4X-174610 | 157054-84-7 | Impurity | |
| Rapamycin Impurity 10 |
 | C4X-174612 | 150821-39-9 | Impurity | |
| Rapamycin Impurity 12 |
| C4X-174619 | N/A | Impurity | |
| Rapamycin Impurity 19 |
| C4X-174620 | N/A | Impurity | |
| Rapamycin Impurity 20 (Mixture of Isomers) |
