| Sulfalene Impurity 2 | 115102-84-6 | Ax-IMP1689 |
| Macitentan Intermediate 03 | 1246922-88-2 | Ax-MAC03 |
| Sulfalene Impurity 3 | 75746-22-4 | Ax-IMP1690 |
| Sulfalene Impurity 4 | NA | Ax-IMP1691 |
| Macitentan | 441798-33-0 | Ax-MAC |
| Linezolid Impurity C | 168828-90-8 | Ax-IMP2836 |
| Oseltamivir Impurity D | 1346604-18-9 | Ax-IMP1699 |
| Oseltamivir Process Impurity 1 | 6059-17-2 | Ax-IMP1700 |
| Linezolid Impurity B | 216868-57-4 | Ax-IMP2834 |
| Risperidone Impurity K | 106266-09-5 | Ax-IMP1701 |