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CPUY201112 is a potent heat shock protein Hsp90 inhibitor with Kd of 27 nM. CPUY201112 induces p53-mediated apoptosis in MCF-7 cells, resulting in cell cycle arrest, which can be used in cancer research[1].

[1] Xiao-Li X, et al. CPUY201112, a novel synthetic small-molecule compound and inhibitor of heat shock protein Hsp90, induces p53-mediated apoptosis in MCF-7 cells. Sci Rep. 2016 Jan 8;6:19004. DOI:10.1038/srep19004