Pifithrin-μ (PFTμ, 2-Phenylethynesulfonamide, NSC 303580, NSC303580)，又称2-苯基乙炔磺酰胺，是一种特异性的p53抑制剂，直接抑制p53与线粒体以及Bcl-xL和Bcl-2的结合；同时，Pifithrin-μ也是HSP70的抑制剂。Pifithrin-μ具有抗癌和神经保护作用。

参考文献

1.Strom E, et al. Small-molecule inhibitor of p53 binding to mitochondria protects mice from gamma radiation. Nat Chem Biol. 2006 Sep;2(9):474-9.

2.Zhou Y, et al. Pifithrin-μ is efficacious against non-small cell lung cancer via inhibition of heat shock protein 70. Oncol Rep. 2017 Jan;37(1):313-322.

3.Glas M, et al. Neuroprotection with the P53-Inhibitor Pifithrin-μ after Cardiac Arrest in a Rodent Model. Shock. 2018 Feb;49(2):229-234.

2~8℃避光干燥保存，有效期3年，避免反复冻融。