 | C4X-113168 | N/A | Impurity | |
| Brexpiprazole Impurity 68 |
 | C4X-113169 | 13179-96-9 | Impurity | |
| Brexpiprazole Impurity 69 |
 | C4X-11317 | 913613-82-8 | Impurity | |
| Brexpiprazole Impurity 7 |
| C4X-113170 | 6940-78-9 | Impurity | |
| Brexpiprazole Impurity 70 |
| C4X-113172 | N/A | Impurity | |
| Brexpiprazole impurity 72 |
 | C4X-113173 | 2138169-93-2 | Impurity | |
| Brexpiprazole Impurity 73 |
| C4X-113174 | N/A | Impurity | |
| Brexpiprazole Impurity 74 |
| C4X-113175 | N/A | Impurity | |
| Brexpiprazole Impurity 75 |
| C4X-113176 | N/A | Impurity | |
| Brexpiprazole Impurity 76 |
| C4X-113178 | 2137823-20-0 (free base) | Impurity | |
| Brexpiprazole Impurity 78 DiHCl |
