| Trimethoprim EP Impurity I | 30078-48-9 | Ax-IMP844 |
| Tetrahydro Cinacalcet | 1229225-43-7; 1229224-93-4 | Ax-IMP2375 |
| Trimethoprim Process impurity 1 | 141292-62-8 | Ax-IMP841 |
| Rocuronium Process Impurity 1 | 159325-45-8 | Ax-IMP2368 |
| Trimethoprim Process impurity 2 | 30077-85-1 | Ax-IMP845 |
| Rocuronium Process Impurity 2 | 119302-19-1 | Ax-IMP2369 |
| Rivastigmine Impurity | 923035-06-7 | Ax-IMP839 |
| Efavirenz Process Impurity 2 | 173676-54-5 | Ax-IMP2365 |
| Efavirenz Impurity I | 173676-60-3 | Ax-IMP2364 |
| Rivastigmine Impurity G | 23308-82-9 | Ax-IMP838 |