| Nitrocatechol Impurity | 24020-10-8 | Ax-IMP1038 |
| Zolmitriptan Process Impurity 1 | 1456510-16-9 | Ax-IMP2570 |
| Nitrocatechol Process Impurity 1 | 1073341-51-1 | Ax-IMP1039 |
| Clonidine Impurity | 39075-78-0 | Ax-IMP2571 |
| Nitrocatechol Process Impurity 2 | 1073341-48-6 | Ax-IMP1040 |
| Ebastine impurity H | 574-42-5 | Ax-IMP2572 |
| 4-Nitrocatechol | 3316-09-4 | Ax-IMP1041 |
| Phenylephrine Related Compound C | 94240-17-2 | Ax-IMP1011 |
| Olmesartan Intermediate 3 | 98360-15-7 | Ax-OMS03 |
| Pirferidone Intermediate 1 | 912570-12-8 | Ax-PRD01 |