| Tramadol Impurity C | 66170-31-8 | Ax-IMP2426 |
| Dimenhydrinate Impurity E | 4921-49-7 | Ax-IMP2439 |
| Daunorubicinol | 28008-55-1 | Ax-IMP2430 |
| (R)-Sitagliptin Methyl-Ester Impurity | 881995-69-3 | Ax-IMP2427 |
| (R)-Sitagliptin Methyl-Ester process impurity | NA | Ax-IMP2428 |
| Clofarabine Degradant Impurity 2 | 1140251-30-4 | Ax-IMP2437 |
| Clofarabine Degradant Impurity 1 | 1140251-36-0 | Ax-IMP2436 |
| Roflumilast Process Impurity 1 | 913985-07-6 | Ax-IMP2434 |
| Roflumilast Process Impurity 2 | 1401228-67-8 | Ax-IMP2435 |
| 3-O-Decyclopropyl Roflumilast | 1391052-76-8 | Ax-IMP2433 |