 | C4X-125217 | N/A | Impurity | |
| Perindopril EP Impurity N |
| C4X-125218 | N/A | Impurity | |
| Perindopril EP Impurity O Sodium Salt |
 | C4X-12522 | 130061-28-8 | Impurity | |
| Perindopril EP Impurity D |
 | C4X-125222 | 353777-64-7 | Impurity | |
| Perindopril EP Impurity H (Mixture of Diastereomers) |
| C4X-125223 | 145513-38-8(free acid) | Impurity | |
| Perindopril Impurity 23 |
 | C4X-125224 | 145513-32-2 | Impurity | |
| Perindopril Impurity 24 |
| C4X-125225 | N/A | Impurity | |
| Perindopril Impurity 25 HCl |
| C4X-125226 | 1998700-99-4 | Impurity | |
| Perindopril Impurity 26 HCl |
| C4X-125227 | N/A | Impurity | |
| Perindopril Impurity 27 |
| C4X-125228 | N/A | Impurity | |
| Perindopril Impurity 28 |
