| Obeticholic Acid Process Impurity 1 | NA | Ax-IMP1271 |
| 5-chloropentanoyl chloride | 1575-61-7 | Ax-889 |
| Obeticholic Acid Impurity E | 915038-25-4 | Ax-IMP1270 |
| Vigabatrin Impurity F | 794466-81-2 | Ax-IMP1269 |
| O,S-dimethyl phosphoramidothioate | 10265-92-6 | Ax-888 |
| Vigabatrin Process Impurity | 7686-78-4 | Ax-IMP1269 |
| Vigabatrin Impurity C | 71107-19-2 | Ax-IMP1267 |
| Apixaban Process Impurity 1 | 503615-03-0 | Ax-IMP1265 |
| 3,6-Dichloro-1,2-benzenedithiol - zinc complex | NA | Ax-879 |
| Apixaban Process Impurity 2 | 1267610-26-3 | Ax-IMP1266 |