| Ethyl chlorosulfonate | 625-01-4 | Ax-1045 |
| Rupatadine Process Impurity | 923-06-8 | Ax-IMP1707 |
| Rupatadine Fumarate Impurity A | 1354055-68-7 | Ax-IMP1706 |
| 1,4 Benzenedimethanethiol | 105-09-9 | Ax-1053 |
| 3-bromo-5-hydroxybenzoyl chloride | 1261672-71-2 | Ax-1031 |
| Clotrimazole Impurity | 115228-65-4 | Ax-IMP1705 |
| Ammonium dibutyl phosphate | 38491-08-6 | Ax-1052 |
| Dimetindene Impurity A | 100-71-0 | Ax-IMP1722 |
| methyl 12-oxododec-8-enoate | 62509-48-2 | Ax-1048 |
| Dimetindene Impurity B | 92039-36-6 | Ax-IMP1723 |