| Ubrogepant Intermediate 1 | 137628-17-2 | Ax-URG001 |
| Pregabalin Impurity B | 75143-89-4 | Ax-IMP861 |
| dimethylsilanediol | 1066-42-8 | Ax-548 |
| Pregabalin Impurity : (R)-1-phenylethanamine | 3886-69-9 | Ax-IMP860 |
| 3-bromocyclobutane-1-carboxylic acid | 1378752-12-5 | Ax-547 |
| Pregabalin Impurity | 916982-10-0 | Ax-IMP859 |
| 3-buten-1-ol | 627-27-0 | Ax-546 |
| Nimesulide EP Impurity A | 51765-56-1 | Ax-IMP853 |
| 1,3 Diacetin | 105-70-4 | Ax-545 |
| Nimesulide EP Impurity B | 51765-51-6 | Ax-IMP854 |