| Gabapentin Impurity 4 | NA | Ax-16655 |
| Gabapentin Impurity 3 | NA | Ax-16654 |
| 2-bromo-5-(difluoromethyl)pyridine | 1221272-81-6 | Ax-16652 |
| 4-(benzyloxy)-3,5-difluorobenzaldehyde | 125036-88-6 | Ax-16651 |
| (4-(benzyloxy)-3,5-difluorophenyl)methanol | 1224103-99-4 | Ax-16650 |
| 3,5-difluoro-4-hydroxybenzaldehyde | 118276-06-5 | Ax-16649 |
| methyl 1-(2-iodoethyl)cyclopentane-1-carboxylate | 103724-58-9 | Ax-16648 |
| methyl 1-(2-bromoethyl)cyclopentane-1-carboxylate | 103724-64-7 | Ax-16647 |
| (S)-1-(tert-butoxycarbonyl)azepane-4-carboxylic acid | 2411939-36-9 | Ax-16646 |
| Vibegron impurity 1 | 1628836-10-1 | Ax-16645 |