| Vilazodone Process impurity 1 | NA | Ax-IMP1141 |
| 1-formamido-1H-pyrrole-2-carboxamide | 159326-70-2 | Ax-695 |
| pentyl nitrite | 463-04-7 | Ax-685 |
| 2-bromopropanenitrile | 19481-82-4 | Ax-686 |
| Vilazodone Imp A | 163521-19-5 | Ax-IMP1139 |
| 2-chloropropanenitrile | 1617-17-0 | Ax-687 |
| 1H-pyrazole-4-carbaldehyde | 35344-95-7 | Ax-688 |
| Vilazodone Impurity B | 163521-11-7 | Ax-IMP1140 |
| (1H-pyrazol-4-yl)methanol | 25222-43-9 | Ax-689 |
| 4-nitroisobenzofuran-1,3-dione | 641-70-3 | Ax-690 |