| 4-Acetamido-2-hydroxybenzoic acid | 50-86-2 | Ax-17563 |
| Caffeine-Trimethyl-13C3 | 78072-66-9 | Ax-17657 |
| methyl 2-amino-2-(methyl-d3)propanoate-3,3,3-d3 hydrochloride | 50634-08-7 | Ax-17656 |
| N-Nitroso N-Desmethyl Lercanidipine Impurity D | NA | Ax-13520 |
| Ritlecitinib nitrosamine impurity 15 | NA | Ax-17613 |
| Ritlecitinib nitrosamine impurity 14 | NA | Ax-17612 |
| Ritlecitinib nitrosamine impurity 13 | NA | Ax-17611 |
| Ritlecitinib nitrosamine impurity 12 | NA | Ax-17610 |
| Ritlecitinib nitrosamine impurity 11 | NA | Ax-17609 |
| Ritlecitinib nitrosamine impurity 10 | NA | Ax-17608 |