| Pimozide Impurity A | 20662-53-7 | Ax-IMP1815 |
| Pimozide Impurity B | 1997-93-9 | Ax-IMP1816 |
| Chlorthalidone EP Impurity B | 5270-74-6 | Ax-IMP1817 |
| Chlorthalidone EP Impurity C | 92874-73-2 | Ax-IMP1818 |
| Chlorthalidone EP Impurity D | 1369995-36-7 | Ax-IMP1819 |
| Chlorthalidone EP Impurity J | 956-92-3 | Ax-IMP1822 |
| Chlorthalidone Process Impurity 2 | 55275-44-0 | Ax-IMP1823 |
| Lumefantrine Process impurity 1 | 69759-61-1 | Ax-IMP1813 |
| Lumefantrine Epoxide Impurity | 53221-14-0 | Ax-IMP1812 |
| Lidocaine Impurity I | 17289-54-2 | Ax-IMP1831 |