 | C4X-171036 | N/A | Impurity | |
| Nicardipine Impurity 36 |
| C4X-17105 | 2469555-30-2 | Impurity | |
| Nicardipine Impurity 5 |
 | C4X-17107 | 87625-92-1 | Impurity | |
| Nicardipine Cyclohexenone Impurity |
| C4X-17108 | 2469735-68-8 | Impurity | |
| Nicardipine Impurity 8 |
| C4X-171311 | N/A | Impurity | |
| Norethindrone Impurity 11 |
 | C4X-171312 | 1175129-26-6 | Impurity | |
| Norethindrone Acetate EP Impurity C |
| C4X-171316 | N/A | Impurity | |
| Norethindrone Acetate EP Impurity D |
 | C4X-17134 | 96487-85-3 | Impurity | |
| Norethindrone EP Impurity F |
 | C4X-17138 | 19637-28-6 | Impurity | |
| Norethindrone Acetate EP Impurity B |
 | C4X-17139 | 2417092-17-0 | Impurity | |
| Norethindrone Acetate EP Impurity H |
