 | C4X-181359 | 503822-00-2 | Impurity | |
| Butylphthalide Impurity 59 |
| C4X-18136 | 162050-42-2 | Impurity | |
| Butylphthalide Impurity 6 |
 | C4X-181360 | 1225206-60-9 | Impurity | |
| Butylphthalide Impurity 60 |
| C4X-181361 | 40125-50-6 | Impurity | |
| Butylphthalide Impurity 61 |
| C4X-181362 | 102126-71-6 | Impurity | |
| Butylphthalide Impurity 62 |
| C4X-181363 | 950681-35-3 | Impurity | |
| Butylphthalide Impurity 63 |
 | C4X-181367 | 102308-43-0 | Impurity | |
| Butylphthalide Impurity 67 |
 | C4X-181368 | 105694-44-8 | Impurity | |
| Butylphthalide Impurity 68 |
| C4X-181369 | 879627-88-0 | Impurity | |
| Butylphthalide Impurity 69 |
| C4X-18137 | 122654-56-2 | Impurity | |
| Butylphthalide Impurity 7 |
