| Spironolactone Impurity C | 976-70-5 | Ax-IMP1280 |
| Phencyphos Process Impurity 1 | 133271-06-4 | Ax-IMP2735 |
| Spironolactone Impurity F | 976-71-6 | Ax-IMP1282 |
| S(+)-Phencyphos | 98674-81-8 | Ax-IMP2734 |
| Nitrofurantoin Process Impurity 2 | NA | Ax-IMP1279 |
| Nitrofurantoin Process Impurity 1 | 25004-91-5 | Ax-IMP1278 |
| Dexamethasone 21-acetate | 1177-87-3 | Ax-IMP2738 |
| Lamotrigine EP Impurity B | 94213-24-8 | Ax-IMP1277 |
| Dexamethasone Process Impurity | 2265-22-7 | Ax-IMP2739 |
| (S)-3-(Boc-amino)piperidine | 216854-23-8 | Ax-242 |