 | C4X-179428 | N/A | Impurity | |
| Fexofenadine Impurity 28 |
| C4X-179429 | N/A | Impurity | |
| Fexofenadine Impurity 29 |
 | C4X-17943 | 185066-37-9 | Impurity | |
| Fexofenadine EP Impurity C |
 | C4X-179430 | 1038-06-8 | Impurity | |
| Fexofenadine Impurity 30 |
| C4X-179431 | N/A | Impurity | |
| Fexofenadine Impurity 31 |
 | C4X-17944 | 154825-96-4 | Impurity | |
| Fexofenadine EP Impurity D |
 | C4X-17945 | 115-46-8 | Impurity | |
| Fexofenadine EP Impurity E |
| C4X-17946 | 185066-33-5 | Impurity | |
| Fexofenadine EP Impruity F |
 | C4X-17947 | 1187954-57-9 | Impurity | |
| Fexofenadine EP Impurity G |
| C4X-17948 | N/A | Impurity | |
| Fexofenadine EP Impruity F(HCl) |
