| Buspirone open ring | 257877-43-3 | Ax-15958 |
| Buspirone Impurity D | 2724726-67-2 | Ax-15957 |
| Fenilefrin S-isomer | 939-38-8 | Ax-15956 |
| Montelukast dicyclohexylamine salt | 577953-88-9 | Ax-15952 |
| Digoxin Impurity F | 5297-05-2 | Ax-15950 |
| pent-3-yn-1-yl 4-methylbenzenesulfonate | 3329-88-2 | Ax-15949 |
| Gatifloxacin Related Compound E | 1029364-65-5 | Ax-16014 |
| N-Methyl Gatifloxacin | 114213-69-3 | Ax-16015 |
| Perindopril Impurity E | 1356837-89-2 | Ax-16016 |
| Fosfomycin Cis-Propenyl Impurity | 933443-26-6 | Ax-16017 |