BI-4834 is a potent and selective Polo-like kinase 1 (PLK1) inhibitor. BI-4834 is also analogue (or Me-Too) of BI-2536. In vitro test shows that BI 4834 inhibits PLK1 with IC50=7.6 nm, but with higher selectivity over the related enzyme PLK3 (IC50 198.4 nm) as BI-2536.
