| Ibuprofen Process Impurity 4 | 75625-99-9 | Ax-IMP2190 |
| Propanoic acid Impurity 2 | 23953-00-6 | Ax-IMP1477 |
| Ibuprofen Process Impurity 5 | 75626-00-5 | Ax-IMP2191 |
| Propanoic acid Impurity 1 | 23943-96-6 | Ax-IMP1476 |
| Ibuprofen Process Impurity 6 | 75626-01-6 | Ax-IMP2192 |
| 2-Hydroxy Ibuprofen | 51146-55-5 | Ax-IMP2188 |
| Memantine Process impurity 1 | 351329-87-8 | Ax-IMP1474 |
| Cromolyn Related Compound B | Ax-IMP2187 | Ax-IMP2187 |
| O-Desmethyl Brinzolamide | 186377-56-0 | Ax-IMP1473 |
| Clarithromycin Impurity R | 992-62-1 | Ax-IMP2117 |