| Pantoprazole Impurity 21 | NA | Ax-11879 |
| Propanedioic acid, bis(2,2,2-trifluoroethyl) ester | 104883-33-2 | Ax-10920 |
| 2-phenyl-1h-phenanthro[9,10-d]imidazole | 6931-31-3 | Ax-10919 |
| 6-bromo-4-oxo-1H,4H-pyrrolo[1,2-b]pyridazine-3-carboxylic acid | 2378747-05-6 | Ax-10904 |
| ethyl 4-bromo-1-[[(1E)-3-methoxy-3-oxoprop-1-en-1-yl]amino]-1H-pyrrole-2-carboxylate | 2378747-03-4 | Ax-10902 |
| methyl 1-amino-4-bromo-1H-pyrrole-2-carboxylate | 1208361-39-0 | Ax-10901 |
| 6-bromo-4-chloropyrrolo[1,2-b]pyridazine | 2378747-02-3 | Ax-10899 |
| 4-acetoxy-2,3-dimethylpyridine | 68707-70-0 | Ax-10898 |
| Methopterin Impurity C | 2410-93-7 | Ax-10905 |
| 2,3-dimethyl-4-nitropyridine | 68707-69-7 | Ax-10897 |