 | C4X-1131101 | N/A | Impurity | |
| Brexpiprazole Impurity 101 |
| C4X-1131102 | N/A | Impurity | |
| Brexpiprazole Impurity 102 |
| C4X-1131103 | N/A | Impurity | |
| Brexpiprazole impurity 103 |
| C4X-1131104 | N/A | Impurity | |
| Brexpiprazole impurity 104 |
| C4X-1131105 | N/A | Impurity | |
| Brexpiprazole impurity 105 |
| C4X-1131106 | 2247155-47-9 | Impurity | |
| Brexpiprazole impurity 106 |
| C4X-1131107 | 2549192-46-1?free base? | Impurity | |
| Brexpiprazole impurity 107 |
| C4X-1131108 | 17082-09-6 | Impurity | |
| Brexpiprazole impurity 108 |
| C4X-1131109 | N/A | Impurity | |
| Brexpiprazole Impurity 109 |
 | C4X-113111 | 2250242-22-7 | Impurity | |
| Brexpiprazole Impurity 11 |
