| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-111712 | 7357-67-7 | Impurity | |
| Gefitinib Impurity 12 | ||||
 | C4X-111714 | 847949-56-8 | Impurity | |
| Gefitinib Impurity 14 | ||||
 | C4X-111715 | 1608115-59-8 | Impurity | |
| Gefitinib Impurity 15 | ||||
| C4X-111716 | N/A | Impurity | |
| Gefitinib Impurity 16 | ||||
| C4X-111717 | N/A | Impurity | |
| Gefitinib Impurity 17 | ||||
| C4X-111718 | 50413-44-0 | Impurity | |
| Gefitinib Impurity 18 | ||||
 | C4X-111719 | 153437-78-6 | Impurity | |
| Gefitinib Impurity 19 | ||||
| C4X-111720 | 690206-97-4 | Impurity | |
| Gefitinib Impurity 20 | ||||
| C4X-111721 | 184475-68-1 | Impurity | |
| Gefitinib Impurity 21 | ||||
 | C4X-111722 | 52805-46-6 | Impurity | |
| Gefitinib Impurity 22 | ||||
