Tyrphostin A9 (Tyrphostin 9; Malonoben; SF 6847; RG-50872; AG 17; SF6847; RG50872; AG17)是PDGFR抑制剂，IC₅₀值约为0.5 μM。Tyrphostin A9也是EGFR抑制剂，IC₅₀值为460 μM，还是线粒体分裂诱导剂，同时具有抗病毒的活性。

参考文献

[1] Levitzki A. PDGF receptor kinase inhibitors for the treatment of restenosis. Cardiovascular research, 2005, 65(3): 581-586.

[2] Levitzki A. Tyrphostins—potential antiproliferative agents and novel molecular tools. Biochemical pharmacology, 1990, 40(5): 913-918.

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