| Vardenafil Process Impurity 5 | 224789-25-7 | Ax-IMP2080 |
| Olmesartan Impurity 4 | 2139236-60-3 | Ax-IMP1638 |
| Apremilast Process Impurity 1 | 6118-65-6 | Ax-IMP1636 |
| Vardenafil Process Impurity 3 | NA | Ax-IMP2078 |
| Mesalazine Impurity 1 | 143228-42-6 | Ax-IMP1635 |
| Vardenafil Process Impurity 2 | 889943-46-8 | Ax-IMP2077 |
| Olmesartan Ethyl Ester Trityl Impurity | 144690-33-5 | Ax-IMP1640 |
| Vardenafil Process Impurity 1 | 454426-80-3 | Ax-IMP2076 |
| Vardenafil Impurity A | NA | Ax-IMP2075 |
| Olmesartan Impurity | 144689-93-0 | Ax-IMP1641 |