 | C4X-15711 | 19685-09-7 | Impurity | |
| Camptothecin 10-Hydroxy Impurity |
 | C4X-157110 | 68426-53-9 | Impurity | |
| Camptothecin Impurity 10 |
| C4X-157111 | 2569708-76-3 | Impurity | |
| Camptothecin Impurity 11 |
| C4X-157112 | 19685-10-0 | Impurity | |
| Camptothecin Impurity 12 |
| C4X-157113 | 1608617-71-5 (free base) | Impurity | |
| Irinotecan EP Impurity H DiHCl |
 | C4X-15712 | 78287-27-1 | Impurity | |
| Irinotecan USP Rc E |
 | C4X-15713 | 86639-52-3 | Impurity | |
| Camptothecin 7-Ethyl-10-Hydroxy Impurity |
| C4X-15714 | N/A | Impurity | |
| Irinotecan EP Impurity H HCl |
 | C4X-15718 | 86639-53-4 | Impurity | |
| Camptothecin Impurity 8 |
| C4X-15719 | 67656-30-8 | Impurity | |
| Camptothecin Impurity 9 |
