 | 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? |
| C4X-138920 | N/A | Impurity | |
| Budesonide Impurity 20 |
 | C4X-138921 | 85234-64-6 | Impurity | |
| Budesonide Impurity 21 |
| C4X-138922 | N/A | Impurity | |
| Budesonide Impurity 22(Mixture of Diastereomers) |
| C4X-138924 | N/A | Impurity | |
| Budesonide EP Impurity G?monomer? |
| C4X-138926 | 77017-17-5 | Impurity | |
| Budesonide Impurity 26 |
 | C4X-138927 | 2396-43-2 | Impurity | |
| Budesonide Impurity 27 |
| C4X-138928 | 2408495-96-3 | Impurity | |
| Budesonide Impurity 28 (Mixture of Diastereomers) |
