AZD8931 (Sapitinib)是一种可逆的，ATP竞争性EGFR， ErbB2和ErbB3抑制剂，IC50分别为4 nM， 3 nM和4 nM，作用于NSCLC细胞比Gefitinib或Lapatinib更有效，作用于ErbB家族比作用于MNK1和Flt选择性强100倍。A potent inhibitor of EGFR phosphorylation. AZD8931 is a reversible, ATP competitive inhibitor of EGFR, ErbB2 and ErbB3 with IC50 of 4 nM, 3 nM and 4 nM, more potent than Gefitinib or Lapatinib against NSCLC cell, 100-fold more selective for the ErbB family than MNK1 and Flt. A potent inhibitor of EGFR phosphorylation.