| DL-Panthenol | 16485-10-2 | Ax-557 |
| Lansoprazole N-oxide | 213476-12-1 | Ax-IMP897 |
| 3,5-dinitrobenzoyl chloride | 99-33-2 | Ax-564 |
| Praziquantel impurity 2 | 36278-22-5 | Ax-IMP899 |
| octadecanedioic acid | 871-70-5 | Ax-565 |
| Praziquantel impurity 3 | 15840-96-7 | Ax-IMP900 |
| 5-chloro-2-(piperazin-1-yl)pyrimidine | 59215-40-6 | Ax-566 |
| Praziquantel impurity 4 | 3289-28-9 | Ax-IMP901 |
| ethyl 4-(pyrimidin-2-yl)piperazine-1-carboxylate | 99931-83-6 | Ax-567 |
| Praziquantel impurity 5 | 2611-02-1 | Ax-IMP902 |