| Diazobenzenesulphonic Acid | 305-80-6 | Ax-691 |
| Dapsone Process impurity 3 | 360-10-1 | Ax-IMP1138 |
| 1-(3,4-dimethoxyphenyl)-2-methylpropan-1-one | 14046-55-0 | Ax-696 |
| 2-(3-hydroxy-4-methoxyphenyl)acetonitrile | 4468-58-0 | Ax-697 |
| Dapsone Process Impurity 2 | 42085-93-8 | Ax-IMP1137 |
| (3-(benzyloxy)-4-methoxyphenyl)methanol | 1860-60-2 | Ax-698 |
| 2-(benzyloxy)-4-(chloromethyl)-1-methoxybenzene | 1699-38-3 | Ax-699 |
| Dapsone Process Impurity 1 | 33667-99-1 | Ax-IMP1136 |
| 2-(4-hydroxy-3-methoxyphenyl)acetonitrile | 4468-59-1 | Ax-700 |
| 3-Hydroxy-4-methoxyphenethylamine hydrochloride | 645-33-0 | Ax-701 |