(R)-Afatinib

(R)-Afatinib R)-BIBW 2992) is the Afatinib isomer. Afatinib (HY-10261) is an orally active, potent and irreversible dual specificity inhibitor of?ErbB?family (EGFR?and?HER2), with?IC50?values of 0.5 nM, 0.4 nM, 10 nM and 14 nM for?EGFRwt, EGFRL858R,?EGFRL858R/T790M?and HER2, respectively. Afatinib can be used for the research of esophageal squamous cell carcinoma (ESCC), non-small cell lung?cancer?(NSCLC) and gastric?cancer.