 | C4X-19074 | 6265-73-2 | Impurity | |
| Nicorandil EP Impurity B |
 | C4X-190740 | N/A | Impurity | |
| Nicorandil Impurity 40 1/2Formate 1/2Nitrate |
| C4X-190741 | N/A | Impurity | |
| Nicorandil Impurity 41 |
 | C4X-190742 | 40055-37-6 | Impurity | |
| Nicorandil EP Impurity D |
 | C4X-190743 | 1570-45-2 | Impurity | |
| Nicorandil Impurity 43 |
| C4X-190745 | 2365474-05-9 | Impurity | |
| Nicorandil Impurity 45 formate salt |
| C4X-190746 | N/A | Impurity | |
| Nicorandil Impurity 46 3Nitrate |
 | C4X-190747 | 13362-26-0 | Impurity | |
| Nicorandil Impurity 47 |
| C4X-190748 | N/A | Impurity | |
| Nicorandil Impurity 48 |
| C4X-190749 | 2365474-06-0 | Impurity | |
| Nicorandil Impurity 49 2Nitrat |
