 | C4X-150422 | N/A | Impurity | |
| Sulfadimethoxine Impurity 22 |
| C4X-150423 | N/A | Impurity | |
| Sulfadimethoxine Impurity 23 |
 | C4X-15043 | 121-62-0 | Impurity | |
| Sulfadimethoxine EP Impurity C |
 | C4X-15044 | 121-57-3 | Impurity | |
| Sulfadimethoxine EP Impurity D |
 | C4X-15045 | 63-74-1 | Impurity | |
| Sulfadimethoxine EP Impurity E |
 | C4X-15046 | 19868-00-9 | Impurity | |
| Sulfadimethoxine EP Impurity F |
 | C4X-15047 | 80314-58-5 | Impurity | |
| Sulfadimethoxine Impurity |
| C4X-15048 | 98627-35-1 | Impurity | |
| Sulfadimethoxine Impurity |
 | C4X-15049 | 61439-59-6 | Impurity | |
| Sulfadimethoxine Impurity |
 | C4X-15051 | 695-34-1 | Impurity | |
| Rifaximin EP Impurity A |
