| Landiolol Intermediate 2 | 115314-14-2 | Ax-LDL02 |
| Landiolol Intermediate 3 | 51594-55-9 | Ax-LDL03 |
| Diphenhydramine Process Impurity 1 | 18066-89-2 | Ax-IMP2558 |
| 4-oxobutanoic acid | 692-29-5 | Ax-572 |
| 2-isocyanatopropane | 1795-48-8 | Ax-573 |
| 6-bromobenzo[d]isothiazol-3(2H)-one 1,1-dioxide | 62473-92-1 | Ax-574 |
| 5-bromo-2-methylbenzenesulfonyl chloride | 69321-56-8 | Ax-575 |
| 5-bromo-2-methylbenzenesulfonamide | 56919-16-5 | Ax-576 |
| 4-bromo-2-sulfamoylbenzoic acid | NA | Ax-577 |
| (4-(methoxycarbonyl)phenyl)boronic acid | 99768-12-4 | Ax-578 |