 | C4X-138944 | N/A | Impurity | |
| Budesonide impurity 44 |
 | C4X-138945 | 3517-49-5 | Impurity | |
| Budesonide impurity 45 |
 | C4X-138946 | 1831164-04-5 | Impurity | |
| Budesonide impurity 46 |
 | C4X-138947 | N/A | Impurity | |
| Budesonide Impurity 47 |
 | C4X-13895 | 131918-64-4 | Impurity | |
| Budesonide EP Impurity E |
 | C4X-13896 | 638-94-8 | Impurity | |
| Budesonide EP Impurity F(Desonide) |
 | C4X-13897 | 137174-25-5 | Impurity | |
| Budesonide EP Impurity G (Mixture of Epimer) |
 | C4X-13898 | 313474-58-7 | Impurity | |
| Budesonide EP Impurity H (Mixture of Epimer) |
 | C4X-13899 | 113930-13-5 | Impurity | |
| Budesonide EP Impurity I |
 | C4X-13921 | 76833-47-1 | Impurity | |
| Famotidine EP Impurity A HCl |