JCN037 is potent, non-covalent and brain-penetrant inhibitor of EGFR(EGFR, p-wtEGFR and pEGFRvⅢ with IC50 of 2.49 nM, 3.95 nM, 4.48 nM , respectively).

PD 089828 is a competitive inhibitor of the receptor tyrosine kinases FGFR1, PDGFRβ, and EGFR (IC50s = 0.15, 1.76, and 5.47 μM, respectively) and a noncompetitive inhibitor of the nonreceptor tyrosine kinase c-Src (IC50 = 0.18 μM)

AZ7550 is an active metabolite of AZD9291 and inhibits the activity of IGF1R with an IC50 of 1.6 μM.