 | C4X-10136 | N/A | Impurity | |
| Bicalutamide Impurity 6 |
| C4X-10137 | N/A | Impurity | |
| Bicalutamide Impurity 7 |
 | C4X-10138 | 654-70-6 | Impurity | |
| Bicalutamide Impurity 8 |
 | C4X-10139 | 393-36-2 | Impurity | |
| Bicalutamide Impurity 9 |
 | C4X-10142 | 112935-92-9 | Impurity | |
| Carbuterol Impurity 2 |
 | C4X-10143 | 81732-52-7 | Impurity | |
| Bambuterol Hydrochloride EP Impurity C |
 | C4X-1015 | 167221-71-8 | Impurity | |
| Clevidipine Butyrate |
| C4X-10151 | 105580-45-8 | Impurity | |
| Clevidipine butyrate Impurity 1 |
 | C4X-101511 | 138279-32-0 | Impurity | |
| Clevidipine butyrate Impurity 11 |
| C4X-101512 | 91854-03-4 | Impurity | |
| Clevidipine butyrate Impurity 12 |
