| Ketotifen impurity F | 34580-09-1 | Ax-13172 |
| Ketotifen impurity D | 88456-70-6 | Ax-13171 |
| Ketotifen impurity C | 126939-27-3 | Ax-13170 |
| 4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one | 4506-53-0 | Ax-13169 |
| 4-(1-methylpiperidin-4-yl)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ol | 4506-57-4 | Ax-13168 |
| Ketotifen impurity A | 4673-38-5 | Ax-13167 |
| 18-(tert-Butoxy)-18-oxooctadecanoic acid | 843666-40-0 | Ax-13166 |
| (Z)-4-chlorobut-2-en-1-ol | 1576-93-8 | Ax-13165 |
| (E)-4-chlorobut-2-en-1-ol | 1775-39-9 | Ax-13164 |
| N2,N2,6-trimethyl-1,3,5-triazine-2,4-diamine | 21320-31-0 | Ax-13163 |