 | C4X-139417 | N/A | Impurity | |
| Ondansetron impurity 17 |
| C4X-139418 | N/A | Impurity | |
| Ondansetron impurity 18 |
 | C4X-13942 | 1076198-52-1 | Impurity | |
| Ondansetron EP Impurity B |
 | C4X-13943 | 27387-31-1 | Impurity | |
| Ondansetron EP Impurity C |
 | C4X-13944 | 99614-64-9 | Impurity | |
| Ondansetron EP Impurity D |
 | C4X-13945 | 288-32-4 | Impurity | |
| Bifonazole EP Impurity C(Clotrimazole EP Impurity D) |
 | C4X-13947 | 99614-03-6 | Impurity | |
| Ondansetron EP Impurity G |
| C4X-13948 | 99614-13-8 | Impurity | |
| Ondansetron Impurity 8 |
 | C4X-13949 | 99614-14-9 | Impurity | |
| Ondansetron EP Impurity H |
| C4X-139510 | 8064-47-9 | Impurity | |
| Folic Acid Impurity 10 |
