 | C4X-105298 | N/A | Impurity | |
| Sofosbuvir Impurity 98 |
| C4X-105299 | N/A | Impurity | |
| Sofosbuvir Impurity 99 |
 | C4X-10531 | 118864-75-8 | Impurity | |
| Solifenacin EP impurity A |
| C4X-105310 | 90861-84-0 | Impurity | |
| Solifenacin Impurity 10 |
 | C4X-105312 | 1353274-25-5 | Impurity | |
| Solifenacin EP impurity B |
| C4X-105313 | 52250-50-7 | Impurity | |
| Solifenacin Impurity 13 |
| C4X-105314 | 180468-40-0 | Impurity | |
| Solifenacin EP impurity F HCl |
 | C4X-105315 | 1534326-81-2 | Impurity | |
| Solifenacin EP Impurity C |
 | C4X-105316 | 134021-15-1 | Impurity | |
| Solifenacin Impurity 16 |
 | C4X-105319 | 1029430-94-1 | Impurity | |
| Solifenacin Impurity 19 |
