 | C4X-1131122 | N/A | Impurity | |
| Brexpiprazole impurity 122 |
| C4X-1131123 | N/A | Impurity | |
| Brexpiprazole impurity 123 |
 | C4X-113113 | 15116-41-3 | Impurity | |
| Brexpiprazole Impurity 13 |
 | C4X-113114 | 203395-59-9 | Impurity | |
| Brexpiprazole Impurity 14 |
 | C4X-113115 | 31570-97-5 | Impurity | |
| Brexpiprazole Impurity 15 |
| C4X-113116 | 2116542-22-2 | Impurity | |
| Brexpiprazole Impurity 16 |
| C4X-113117 | N/A | Impurity | |
| Brexpiprazole Impurity 17 |
 | C4X-113118 | 66490-33-3 | Impurity | |
| Brexpiprazole Impurity 18 |
 | C4X-113119 | 23967-57-9 | Impurity | |
| Brexpiprazole Impurity 19 |
 | C4X-11312 | 913614-18-3 | Impurity | |
| Brexpiprazole Impurity 2 |
