 | C4X-100218 | 299409-85-1 | Impurity | |
| Clarithromycin EP Impurity B |
 | C4X-100219 | N/A | Impurity | |
| Clarithromycin Impurity 19 |
 | C4X-10022 | 111321-02-9 | Impurity | |
| Clarithromycin EP Impurity J(Roxithromycin EP Impurity C) |
 | C4X-100220 | 118074-07-0 | Impurity | |
| Clarithromycin Impurity 20 |
| C4X-100221 | N/A | Impurity | |
| Clarithromycin Impurity 21 |
| C4X-100222 | N/A | Impurity | |
| Clarithromycin Impurity 22 |
 | C4X-100223 | 470-12-2 | Impurity | |
| Clarithromycin Impurity 23 |
 | C4X-100224 | 116836-41-0 | Impurity | |
| Clarithromycin impurity 24 |
| C4X-100228 | N/A | Impurity | |
| Clarithromycin Impurity 28 |
 | C4X-10023 | 127253-06-9 | Impurity | |
| Clarithromycin EP Impurity C |
