Afatinib Impurity 15

Afatinib Impurity 9 Afatinib Impurity 18 Afatinib Impurity 6 Afatinib IMpurity E Afatinib Impurity 17

Afatinib Impurity 4 Afatinib Impurity 14 Afatinib Impurity 2 N-(3-chloro-4-fluorophenyl)-7-Methoxy-6-nitroquinazolin-4-aMine Afatinib Impurity 10

Afatinib R-afatinib Afatinib IMpurity F Afatinib Impurity 7 Afatinib Impurity 19

Afatinib Impurity 3 Afatinib Impurity 11 Afatinib Impurity 16