| (cyclopropylidene(ethylthio)methoxy)trimethylsilane | NA | Ax-1013 |
| S-ethyl 1-(trifluoromethyl)cyclopropane-1-carbothioate | NA | Ax-1014 |
| Relaxofine Process Impurity 1 | NA | Ax-IMP1720 |
| 1-(trifluoromethyl)cyclopropane-1-carboxylic acid | 277756-46-4 | Ax-1015 |
| Relaxofine Process Impurity 2 | 1430407-59-2 | Ax-IMP1721 |
| methyl 5-bromo-2-((4-methylphenyl)sulfonamido)benzoate | 223526-84-9 | Ax-1023 |
| Naratriptan Impurity B | 121679-20-7 | Ax-IMP1715 |
| ethyl 7-bromo-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate | NA | Ax-1024 |
| Naratriptan Process Impurity 1 | 27325-97-9 | Ax-IMP1716 |
| ethyl 7-bromo-5-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate | NA | Ax-1025 |