 | C4X-181331 | 96610-56-9 | Impurity | |
| Butylphthalide Impurity 31 |
| C4X-181332 | 33704-16-4 | Impurity | |
| Butylphthalide Impurity 32 |
| C4X-181333 | N/A | Impurity | |
| Butylphthalide Impurity 33 |
| C4X-181334 | N/A | Impurity | |
| Butylphthalide Impurity 34 |
| C4X-181335 | 16692-58-3 | Impurity | |
| Butylphthalide Impurity 35 |
| C4X-181336 | 2245275-82-3 | Impurity | |
| Butylphthalide Impurity 36 |
| C4X-181337 | 33693-84-4 | Impurity | |
| tert-Butyl hydrogen phthalate |
| C4X-181338 | 162050-43-3 | Impurity | |
| Butylphthalide Impurity 38 |
| C4X-181339 | 1485081-25-1 | Impurity | |
| Butylphthalide Impurity 39 |
| C4X-181340 | 1485081-46-6 | Impurity | |
| Butylphthalide Impurity 40 |
