 | C4X-14556 | 928-51-8 | Impurity | |
| Busulfan Impurity 6 |
 | C4X-14557 | 26910-61-2 | Impurity | |
| Busulfan Impurity 7 |
| C4X-14558 | 61161-42-0 | Impurity | |
| Busulfan Impurity 8 |
 | C4X-14566 | 1416773-22-2 | Impurity | |
| Rifampicin Impurity 6 |
| C4X-14569 | N/A | Impurity | |
| Rifampicin Impurity 9 |
| C4X-14570 | N/A | Impurity | |
| Rifampicin Impurity R1 |
| C4X-14572 | 1076198-22-5 | Impurity | |
| Medroxyprogesterone Acetate EP Impurity C |
| C4X-14573 | N/A | Impurity | |
| Medroxyprogesterone Acetate EP Impurity I |
 | C4X-14575 | 984-47-4 | Impurity | |
| Medroxyprogesterone Acetate EP Impurity A |
| C4X-14581 | 27511-79-1 | Impurity | |
| Allopurinol EP Impurity A Hemisulfate |
