| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-111764 | N/A | Impurity | |
| Gefitinib impurity 64 | ||||
| C4X-111765 | N/A | Impurity | |
| Gefitinib impurity 65 | ||||
| C4X-111766 | N/A | Impurity | |
| Gefitinib impurity 66 | ||||
| C4X-111767 | 1603814-04-5?free base? | Impurity | |
| Gefitinib impurity 67 | ||||
 | C4X-11177 | 184475-71-6 | Impurity | |
| Gefitinib Impurity 7 | ||||
 | C4X-11178 | 847949-49-9 | Impurity | |
| Gefitinib Impurity 8 | ||||
| C4X-11179 | N/A | Impurity | |
| Gefitinib Impurity 9 | ||||
 | C4X-11181 | 1638497-26-3 | Impurity | |
| Avanafil Impurity 1 | ||||
 | C4X-111810 | 330784-50-4 | Impurity | |
| Avanafil Impurity 10 | ||||
| C4X-1118100 | N/A | Impurity | |
| Avanafil Impurity 100 | ||||
