 | 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 |
 | C4X-139210 | 1798006-30-0 | Impurity | |
| Famotidine EP Impurity J HCl |
 | C4X-139211 | 90237-03-9 | Impurity | |
| Famotidine Impurity 11 |
| C4X-139212 | 88061-72-7 | Impurity | |
| Famotidine EP Impurity A DiHCl |
| C4X-139213 | 88046-01-9 | Impurity | |
| Famotidine Impurity 13 |
 | C4X-139214 | 2114-02-5 | Impurity | |
| Famotidine Impurity 14 |
| C4X-139215 | 84545-70-0 | Impurity | |
| Famotidine Impurity 15 |
