| Ubrogepant Intermediate 8 | 1375794-69-6 | Ax-URG008 |
| Triacetly aloe-emodin Impurity A | 25395-11-3 | Ax-IMP867 |
| Ubrogepant Intermediate 9 | NA | Ax-URG009 |
| Vigabatrin Impurity | 56-12-2 | Ax-IMP866 |
| Ubrogepant Intermediate 10 | NA | Ax-URG010 |
| Vigabatrin Related compound A | 7529-16-0 | Ax-IMP865 |
| Ubrogepant Intermediate 5 | 955379-18-7 | Ax-URG005 |
| Pregabalin Pyrandione Impurity | 185815-59-2 | Ax-IMP863 |
| Ubrogepant Intermediate 11 | 1375477-14-7 | Ax-URG011 |
| Pregabalin Methyl Ester | 714230-22-5 | Ax-IMP862 |