| Naproxen Impurity C | 84236-26-0 | Ax-IMP2261 |
| Acotiamide Process Impurity 1 | NA | Ax-IMP1559 |
| Naproxen Impurity F | 31220-35-6 | Ax-IMP2262 |
| Acotiamide Process Impurity 2 | 42833-66-9 | Ax-IMP1560 |
| Naproxen Impurity H | 5111-66-0 | Ax-IMP2263 |
| Acotiamide Process Impurity 3 | 185105-98-0 | Ax-IMP1561 |
| Naproxen Impurity N | 5111-65-9 | Ax-IMP2264 |
| Acotiamide Impurity 1 | NA | Ax-IMP1562 |
| Trazodone Impurity A | 55290-68-1 | Ax-IMP2265 |
| Acotiamide Impurity | NA | Ax-IMP1563 |