| Carvdeilol impurity C | 72955-94-3 | Ax-IMP1411 |
| 3,5,6-tribromopyrazin-2-amine | 66490-61-7 | Ax-958 |
| Vildagliptin (2R)-Isomer | 1036959-27-9 | Ax-IMP1435 |
| 6-bromo-3-((trimethylsilyl)ethynyl)pyrazin-2-amine | 1270496-88-2 | Ax-957 |
| Vildagliptin Amino alcohol impurity | 702-82-9 | Ax-IMP1434 |
| 3-bromo-5H-pyrrolo[2,3-b]pyrazine | 1260665-49-3 | Ax-956 |
| Vildagliptin Dimer impurity | 1036959-23-5 | Ax-IMP1433 |
| methyl 3-amino-1-methyl-1H-pyrazole-5-carboxylate | 89088-56-2 | Ax-946 |
| Vildagliptin Amide Impurity | 565453-39-6 | Ax-IMP1432 |
| methyl 1-methyl-3-nitro-1H-pyrazole-5-carboxylate | 177409-38-0 | Ax-947 |