| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-142743 | N/A | Impurity | |
| Benserazide impurity 43 | ||||
| C4X-14275 | N/A | Impurity | |
| Benserazide Impurity 5 | ||||
| C4X-14276 | N/A | Impurity | |
| Benserazide Impurity 6 | ||||
| C4X-14277 | N/A | Impurity | |
| Benserazide Impurity 7 | ||||
| C4X-14278 | N/A | Impurity | |
| Benserazide Impurity 8 | ||||
| C4X-14279 | N/A | Impurity | |
| Benserazide Impurity 9 | ||||
 | C4X-14281 | 26116-56-3 | Impurity | |
| Dirithromycin EP impurity A | ||||
 | C4X-14282 | 869485-36-9 | Impurity | |
| Dirithromycin EP impurity B | ||||
 | C4X-14283 | 141262-14-8 | Impurity | |
| Dirithromycin EP Impurity C(Dirithromycin B) | ||||
| C4X-14284 | N/A | Impurity | |
| Dirithromycin EP Impurity D(Dirithromycin C) | ||||
