| Dexpanthenol Impurity D | NA | Ax-16820 |
| tert-butyl (3aS,6aS)-hexahydropyrrolo[3,2-b]pyrrole-1(2H)-carboxylate | 1251004-04-2 | Ax-16791 |
| Oxiconazole Related Compound A | 76472-50-9 | Ax-16790 |
| Aripiprazole Impurity B | 41202-77-1 | Ax-16789 |
| N-Nitroso Aripiprazole Impurity B | NA | Ax-16788 |
| 1-(3-chloropyridin-4-yl)ethan-1-amine | 1149588-22-6 | Ax-16787 |
| 1-(3-methoxypyridin-4-yl)ethan-1-amine | 1196733-04-6 | Ax-16786 |
| N-Nitroso Theophylline Impurity D or Mono-Nitroso-Theophyllidine | NA | Ax-16785 |
| N-Nitroso Prazosin Impurity C | NA | Ax-16784 |
| N-Nitroso Prazosin Impurity D | NA | Ax-16783 |