| Nomegestrol Intermediate 4 | NA | Ax-NOM04 |
| Nomegestrol Intermediate 5 | 96487-85-3 | Ax-NOM05 |
| Promestriene | 39219-28-8 | Ax-PROM |
| Promestriene Intermediate 2 | NA | Ax-PROM02 |
| Simvastatin Impurity F | 79952-44-6 | Ax-IMP1242 |
| Promestriene Intermediate 1 | NA | Ax-PROM01 |
| Pioglitazone Process impurity 2 | 144809-26-7 | Ax-IMP1237 |
| 1,3-Diethyl-6-aminouracil | 41740-15-2 | Ax-762 |
| Pioglitazone Process Impurity 1 | 114393-97-4 | Ax-IMP1236 |
| Pioglitazone impurity C | 952188-00-0 | Ax-IMP1235 |