| Methotrexate Impurity 7 | 82778-10-7 | Ax-16695 |
| Tafluprost Compound 2 | 2587078-46-2 | Ax-16694 |
| Tafluprost Compound 1 | 209861-00-7 | Ax-16693 |
| Tafluprost acid | 209860-88-8 | Ax-16692 |
| methyl 4,6-dihydroxypyridazine-3-carboxylate | 372118-00-8 | Ax-16691 |
| methyl 4,6-dichloropyridazine-3-carboxylate | 372118-01-9 | Ax-16690 |
| N-Nitroso-Hydroxychloroquine | NA | Ax-16689 |
| tert-butyl isopropyl carbonate | 30221-21-7 | Ax-16687 |
| 4,6-dimethoxy-1,3,5-triazin-2-ol | 1075-59-8 | Ax-16686 |
| O-(tert-butyl) S-phenyl carbonothioate | 36760-43-7 | Ax-16685 |