 | C4X-13683 | 87447-47-0 | Impurity | |
| Diltiazem EP Impurity B |
 | C4X-13684 | 1286126-67-7 | Impurity | |
| Diltiazem EP Impurity C HCI |
 | C4X-13685 | 42399-49-5 | Impurity | |
| Diltiazem EP Impurity E |
 | C4X-13686 | 75472-91-2(free base) | Impurity | |
| Diltiazem EP Impurity F HCl |
| C4X-13687 | N/A | Impurity | |
| Diltiazem Impurity 7 |
 | C4X-13689 | 116050-35-2 | Impurity | |
| Diltiazem Impurity 9 |
| C4X-136910 | 157995-00-1(free base) | Impurity | |
| Mianserin EP Impurity F HCl |
 | C4X-136911 | 5344-90-1 | Impurity | |
| Mianserin Impurity 11 |
 | C4X-136912 | 76134-77-5 | Impurity | |
| Mianserin EP Impurity E HCl |
 | C4X-136913 | 78684-63-6 | Impurity | |
| (R)-Mianserin |
