 | C4X-151451 | 73917-81-4 | Impurity | |
| Norepinephrine Impurity 51 |
| C4X-151452 | 3770-01-2 | Impurity | |
| Norepinephrine Impurity 52 |
| C4X-151453 | 490-90-4?free base? | Impurity | |
| Norepinephrine Impurity 53 HCl |
| C4X-151454 | N/A | Impurity | |
| Norepinephrine Impurity 54 |
| C4X-151455 | N/A | Impurity | |
| Norepinephrine Impurity 55 |
 | C4X-151456 | 329-65-7 | Impurity | |
| Norepinephrine Impurity 56 |
 | C4X-151457 | 29477-54-1 | Impurity | |
| Norepinephrine Impurity 57 |
| C4X-151458 | 408328-15-4 | Impurity | |
| Norepinephrine Impurity 58 |
 | C4X-151459 | 99-40-1 | Impurity | |
| Noradrenaline EP Impurity E |
| C4X-15146 | 1932110-67-2 | Impurity | |
| Norepinephrine EP Impurity D |
