 | C4X-177941 | 60133-18-8 | Impurity | |
| 25-Hydroxy Doxercalciferol |
| C4X-177946 | 89231-90-3 | Impurity | |
| "7,8-Epoxy-vitamin D3" |
 | C4X-17799 | 57-87-4 | Impurity | |
| Ergocalciferol EP Impurity B |
| C4X-17801 | 6564-72-3 | Impurity | |
| Voglibose Impurity 1 |
 | C4X-17802 | 115250-39-0 | Impurity | |
| Voglibose TBV Base Impurity |
 | C4X-17803 | 83465-22-9 | Impurity | |
| Voglibose Impurity 3 |
| C4X-17806 | 38231-86-6 | Impurity | |
| Voglibose Impurity 6 |
 | C4X-17821 | 94266-17-8 | Impurity | |
| Xylometazoline EP Impurity A |
 | C4X-17823 | 19387-83-8 | Impurity | |
| Xylometazoline EP Impurity B |
 | C4X-17824 | 84803-57-6 | Impurity | |
| Xylometazoline EP Impurity C |
