Afatinib Impurity 11

Afatinib iMpurity 4-Hydroxy 4-Dedimethylamino Afatinib Afatinib IMpurity H Afatinib Impurity 74 Afatinib impurity 40

Afatinib impurity 33 Afatinib impurity 30 Afatinib Impurity L (Afatinib N-Oxide) Afatinib-d6 Afatinib impurity 27

Afatinib impurity 34 Afatinib impurity 41 Afatinib Impurity I Afatinib-d4 Afatinib Impurity K

Afatinib Impurity 12 4-Chloro-7-fluoro-6-nitro-quinazoline trans-4-Aminocrotonic acid