 | C4X-151441 | N/A | Impurity | |
| Norepinephrine Impurity 41 |
 | C4X-151442 | 28822-73-3 | Impurity | |
| Norepinephrine Impurity 42 |
| C4X-151443 | 20455-68-9 | Impurity | |
| Norepinephrine EP Impurity F HCl |
| C4X-151445 | 13062-58-3(Free Base) | Impurity | |
| Norepinephrine EP Impurity G(Trifluoroacetate) |
| C4X-151446 | 149-95-1 | Impurity | |
| D-Norepinephrine |
 | C4X-151447 | 926-61-4 | Impurity | |
| Norepinephrine Impurity 47 |
| C4X-151448 | 500337-08-6 | Impurity | |
| Dopamine Impurity 48 |
| C4X-151449 | N/A | Impurity | |
| Dopamine Impurity 49 |
 | C4X-15145 | 99-40-1 | Impurity | |
| Norepinephrine EP Impurity E |
| C4X-151450 | 100622-09-1 | Impurity | |
| Norepinephrine Impurity 50 |
