 | C4X-11064 | 123658-06-0 | Impurity | |
| Racecadotril EP Impurity D |
 | C4X-11065 | 5669-19-2 | Impurity | |
| Racecadotril EP Impurity E |
 | C4X-11066 | 87428-99-7 | Impurity | |
| Racecadotril EP Impurity F |
 | C4X-11067 | 81110-69-2 | Impurity | |
| Racecadotril EP Impurity G |
 | C4X-11068 | 141437-88-9 | Impurity | |
| Racecadotril EP Impurity H |
 | C4X-11069 | 141437-87-8 | Impurity | |
| Racecadotril Diacid Impurity |
 | C4X-11071 | 106092-09-5 | Impurity | |
| Pramipexole EP Impurity A |
 | C4X-110710 | N/A | Impurity | |
| Pramipexole Impurity 10 |
 | C4X-110711 | 1246818-51-8 | Impurity | |
| Pramipexole Impurity 11 ?and enantiomer? |
 | C4X-110712 | 2245708-68-1 | Impurity | |
| Pramipexole Impurity 12 |
