 | C4X-181356 | 261783-87-3 | Impurity | |
| Butylphthalide Impurity 56 |
| C4X-181357 | 2997796-75-3 | Impurity | |
| Butylphthalide Impurity 57 |
| 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 |
