 | C4X-18546 | 4101-81-9 | Impurity | |
| Methyl 5-acetylthiophene-2-carboxylate(Arotinolol Impurity 6) |
| C4X-18547 | 68257-89-6 | Impurity | |
| 5-Acetylthiophene-2-carboxamide(Arotinolol Impurity 7) |
 | C4X-18548 | 52560-89-1 | Impurity | |
| Arotinolol intermediate product 8 |
 | C4X-18549 | 4066-41-5 | Impurity | |
| Arotinolol Impurity 9 |
 | C4X-18552 | 1076-22-8 | Impurity | |
| Aminophylline EP Impurity B |
 | C4X-18553 | 7597-60-6 | Impurity | |
| Aminophylline EP Impurity C |
 | C4X-18554 | 116131-08-9 | Impurity | |
| Aminophylline EP ImpurityD |
 | C4X-18555 | 944-73-0 | Impurity | |
| Aminophylline EP Impurity E |
 | C4X-18556 | 519-37-9 | Impurity | |
| Aminophylline EP Impurity F |
 | C4X-18558 | 6736-40-9 | Impurity | |
| Aminophylline EP Impurity D |
