 | C4X-14054 | 5006-68-8 | Impurity | |
| Metronidazole EP Impurity D |
 | C4X-14055 | 705-19-1 | Impurity | |
| Metronidazole EP Impurity E |
 | C4X-14056 | 16156-94-8 | Impurity | |
| Metronidazole EP Impurity F |
 | C4X-14057 | 1010-93-1 | Impurity | |
| Metronidazole EP Impurity G |
 | C4X-14059 | 87009-72-1 | Impurity | |
| Metronidazole Impurity 9 |
 | C4X-14061 | 62-56-6 | Impurity | |
| Propylthiouracil EP Impurity A |
 | C4X-14071 | 33288-71-0 | Impurity | |
| Glipizide EP Impurity A |
| C4X-140710 | N/A | Impurity | |
| Glipizide Impurity 10(Dimer Impurity) |
 | C4X-140711 | 1076198-09-8 | Impurity | |
| Glipizide EP Impurity J |
| C4X-140712 | N/A | Impurity | |
| Glipizide Impurity 12 |
