 | C4X-138884 | N/A | Impurity | |
| Azacitidine Impurity 84 |
| C4X-138885 | N/A | Impurity | |
| Azacitidine Impurtiy 85 |
| C4X-138886 | N/A | Impurity | |
| Azacitidine Impurity 86 |
 | C4X-13889 | 105331-00-8 | Impurity | |
| Azacitidine Impurity 9 |
 | C4X-13891 | 13951-70-7 | Impurity | |
| Budesonide EP Impurity A |
 | C4X-138910 | 313474-59-8 | Impurity | |
| Budesonide EP Impurity J (Mixture of Diastereomers) |
 | 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 |
