Potent and selective polo-like kinase 2 (PLK2) inhibitor (IC50 = 4 nM). Shows selectivity for PLK2 over PLK3 and PLK1 (IC50 values are 24 and 214 nM respectively). Induces mitotic arrest and cell death in HCT 116 colorectal cells. Purity 98%. MW (observed): 359.38