AZD8931 is a reversible and ATP competitive inhibitor of EGFR, ErbB2 and ErbB3 (IC50 of 4 nM, 3 nM and 4 nM, respectively).AZD8931 significantly suppressed cell growth of IBC cells and induced apoptosis of human IBC cells in vitro.AZD8931 monotherapy inhibited xenograft growth.

XL-647 (Tesevatinib, EXEL-7647, KD-019) is a novel spectrum-selective kinase inhibitor that potently inhibits the EGFR, ErbB2, KDR and EphB4 with IC50 of 0.3, 16, 1.5 and 1.4 nM, respectively.

A potent, selective, third-generation irreversible inhibitor of mutant EGFR with IC50s of 1/12/5 nM for L858R-T790M/L858R/L861Q respectively.