 | C4X-130414 | N/A | Impurity | |
| Penehyclidine impurity 14 HCI |
| C4X-130415 | N/A | Impurity | |
| Penehyclidine Impurity 15 |
| C4X-130416 | N/A | Impurity | |
| Penehyclidine Impurity 16 |
| C4X-13046 | 2564756-90-5 | Impurity | |
| Penehyclidine Impurity 6 (Mixture of Diastereomers) |
| C4X-13047 | 63624-23-7 | Impurity | |
| Penehyclidine Impurity 7 |
| C4X-13048 | N/A | Impurity | |
| Penehyclidine Impurity 8 |
| C4X-13049 | 183201-49-2 | Impurity | |
| Penehyclidine Impurity 9 |
 | C4X-13081 | 252638-01-0 | Impurity | |
| Levosimendan Impurity 1 |
| C4X-130810 | N/A | Impurity | |
| Levosimendan Impurity 10 |
| C4X-130811 | 101328-84-1 | Impurity | |
| Levosimendan Impurity 11 |
