| cyclopentane-1,2,3,4-tetracarboxylic acid | 3786-91-2 | Ax-11102 |
| 1-nitroso-1H-benzo[d]imidazole-2-thiol | NA | Ax-11103 |
| Nitroso lansoprazole sulfide | NA | Ax-11104 |
| Nitroso lansoprazole | NA | Ax-11105 |
| acetic isobutyric anhydride | 7137-29-3 | Ax-11114 |
| N-Nitroso Metamizole Impurity C | 73829-38-6 | Ax-11118 |
| 4-Methylamino Antipyrine | 519-98-2 | Ax-11119 |
| N-Nitroso Metamizole Impurity E | NA | Ax-11120 |
| butyric isobutyric anhydride | 37998-91-7 | Ax-11115 |
| dimethyl (tert-butoxycarbonyl)-D-glutamate | 130622-05-8 | Ax-11117 |