 | C4X-138911 | 51333-05-2 | Impurity | |
| Budesonide EP Impurity K (Mixture of Epimer) |
 | C4X-138912 | 216453-74-6 | Impurity | |
| Budesonide EP Impurity L (Mixture of Epimer) |
 | C4X-138913 | N/A | Impurity | |
| 21-Butyryloxy Budesonide |
 | C4X-138914 | 5541-37-7 | Impurity | |
| Budesonide Impurity 14 |
| C4X-138915 | N/A | Impurity | |
| Budesonide Impurity 15 |
 | C4X-138916 | 3044-42-6 | Impurity | |
| Budesonide Impurity 16 |
| C4X-138917 | N/A | Impurity | |
| Budesonide Impurity 17 |
| C4X-138918 | N/A | Impurity | |
| Budesonide Impurity 18 |
 | C4X-138919 | 192057-49-1 | Impurity | |
| Budesonide Impurity 19 (Mixture of Epimer) |
 | C4X-13892 | 1040085-98-0 | Impurity | |
| Budesonide EP Impurity B?Mixture of diastereomers? |
