| N-desmethyl tetracaine | NA | Ax-11633 |
| N-Nitroso tetracaine | NA | Ax-11631 |
| Imiquimod Impurity 5 | 165120-39-8 | Ax-11683 |
| Imiquimod Impurity 4 | 165120-40-1 | Ax-11682 |
| Imiquimod Impurity 3 | 133860-76-1 | Ax-11681 |
| Imiquimod Impurity 2 | 39558-79-7 | Ax-11680 |
| Imiquimod N-Methyl Impurity | 853793-02-9 | Ax-11679 |
| 1-ethoxytetradecane | 68154-96-1 | Ax-11678 |
| N-(3,3-diphenylpropyl)-N-methylnitrous amide | NA | Ax-11677 |
| (E)-N-(3-(3-(dimethylamino)acryloyl)phenyl)acetamide | 1227694-86-1 | Ax-11676 |