 | C4X-133423 | N/A | Impurity | |
| Enalapril Maleate Impurity 23 |
| C4X-133424 | N/A | Impurity | |
| Enalapril Maleate Impurity 24 |
| C4X-133425 | N/A | Impurity | |
| Enalapril Maleate Impurity 25 |
 | C4X-133426 | 115623-21-7 | Impurity | |
| Enalapril Maleate Impurity 26 |
| C4X-133428 | N/A | Impurity | |
| Enalapril Maleate Impurity 28 |
 | C4X-133430 | 84023-58-5 | Impurity | |
| "Enalaprilat EP Impurity A (S,S-Isomer)" |
| C4X-133431 | N/A | Impurity | |
| Enalapril Impurity 31 |
| C4X-133432 | 76391-34-9(Free Base) | Impurity | |
| Enalapril EP Impurity F Maleate |
| C4X-133434 | N/A | Impurity | |
| Enalapril Impurity 34 |
| C4X-133435 | N/A | Impurity | |
| Enalapril Impurity 35 |
