 | C4X-17088 | 23979-41-1 | Impurity | |
| Naproxen EP Impurity G (R-Naproxen) |
 | C4X-17094 | 133627-46-0 | Impurity | |
| Nevirapine Impurity 4 |
 | C4X-17102 | 71784-27-5 | Impurity | |
| Nicardipine EP Impurity B DiHCl |
| 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 |
