 | C4X-13254 | 28569-88-2 | Impurity | |
| Aclidinium bromide Impurity 4 |
 | C4X-13255 | 26447-85-8 | Impurity | |
| Tiotropium EP Impurity E |
| C4X-13256 | N/A | Impurity | |
| Aclidinium bromide Impurity 6 |
| C4X-13257 | N/A | Impurity | |
| Aclidinium bromide Impurity 7 |
| C4X-13258 | 4075-58-5 | Impurity | |
| Aclidinium bromide Impurity 8 |
| C4X-13259 | N/A | Impurity | |
| Aclidinium bromide Impurity 9 |
 | C4X-13261 | 1260149-96-9 | Impurity | |
| Triamcinolone Acetonide EP Impurity B |
 | C4X-132610 | 3800-28-0 | Impurity | |
| Triamcinolone Impurity 10 |
 | C4X-132611 | 68539-12-8 | Impurity | |
| Testosterone Impurity 11 |
| C4X-132612 | N/A | Impurity | |
| Testosterone Impurity 12 |
