 | C4X-110310 | 157307-36-3 | Impurity | |
| Dutasteride EP Impurity C |
 | C4X-110311 | 103335-41-7 | Impurity | |
| Finasteride EP Impurity B |
 | C4X-110314 | N/A | Impurity | |
| Dutasteride Impurity 14 |
 | C4X-110315 | 84-58-2 | Impurity | |
| Dutasteride Impurity 15 |
 | C4X-110316 | 1430804-94-6 | Impurity | |
| Dutasteride Impurity 16 |
| C4X-110317 | N/A | Impurity | |
| Dutasteride EP Impurity D |
 | C4X-110318 | 1648593-70-7 | Impurity | |
| Dutasteride EP Impurity I |
 | C4X-110319 | 1430804-85-5 | Impurity | |
| Dutasteride EP Impurity G |
| C4X-110320 | N/A | Impurity | |
| Dutasteride EP Impurity H (alfa-Dimer) |
| C4X-110321 | 4640-41-9 | Impurity | |
| Dutasteride Impurity 21 |
