| Fluconazole EP Impurity G | 86386-76-7 | Ax-IMP287 |
| Fluconazole EP Impurity H | 150194-52-8 | Ax-IMP285 |
| Sulpiride Impurity A | 26116-12-1 | Ax-IMP123 |
| Mesalamine Impurity C | 95-55-6 | Ax-IMP107 |
| Mesalamine Impurity G / Gentisic acid | 490-79-9 | Ax-IMP111 |
| Mesalamine Impurity I | 3147-53-3 | Ax-IMP113 |
| Itraconazole EP Impurity A | 252964-68-4 | Ax-IMP272 |
| Itraconazole EP Impurity B | 854372-77-3 | Ax-IMP273 |
| Itraconazole EP Impurity C | 74855-91-7 | Ax-IMP274 |
| Itraconazole EP Impurity D | 89848-49-7 | Ax-IMP275 |