Afatinib N-Oxide is a derivative of Afatinib {BIBW 2992) (B377000), an aminocrotonylamino-substituted quinazoline derivative used for treating cancer and diseases of the respiratory tract, lungs, gastrointestinal tract, bile duct, and gallbladder. An anilino-quinazoline that irreversibly inhibits EGFR and HER2 kinase activity.
