Afatinib Impurity 13

Afatinib Impurity 8 Afatinib Impurity 11 Afatinib Impurity 3 Afatinib Impurity 10 N-(3-chloro-4-fluorophenyl)-7-Methoxy-6-nitroquinazolin-4-aMine Afatinib Impurity 1 Afatinib Impurity 2 Afatinib Impurity 22 Afatinib IMpurity H Afatinib Impurity 74 Afatinib impurity 40 Afatinib impurity 33 Afatinib Impurity 14 TRANS-4-AMINOCROTONIC ACID Afatinib Impurity 17 Afatinib Impurity 4 Afatinib Impurity 9 Afatinib Impurity L (Afatinib N-Oxide)