ST271 is a potent inhibitor of protein tyrosine kinase (PTK), inhibits phospholipase D activation stimulated by fMet-Leu-Phe and PAF, with IC50s of 6.7 and 9 μM, respectively.

CZC-8004 is a pan-kinase inhibitor and binds a range of tyrosine kinases, including ABL kinase.

Tyrphostin AG1433 is a tyrosine kinases inhibitor and also a selective PDGFRβ and VEGFR-2 (Flk-1/KDR) inhibitor with IC50s of 5.0 μM and 9.3 μM, respectively.

RG-13022 significantly inhibited EGF-stimulated autophosphorylation of its receptor in two breast cancer cell lines that have abundant, although not amplified, EGF receptor content (MDA-231 and T47D).RG-13022 suppressed not only EGF-stimulated cancer cell proliferation in vitro but also tumor growth in nude mice. RG-13022 also increased the life span of these tumor-bearing nude mice.

BI-4464 is a ATP competitive inhibitor of focal adhesion tyrosine kinase (PTK2/FAK) with IC50 of 17 nM.

Genistein has multiple biological functions. It can inhibit several tyrosine kinases (IC50 of 0.6 μM for EGFR), inhibits DNA topoisomerase-II and activation of PPARs. Genistein is a phytoestrogen which has selective estrogen receptor modulator properties.