PLK1/BRD4-IN-2 (compound 15) is a BI-2536 analog and dual inhibitor that targets both Polo-like kinase 1 (PLK1) and BRD4bromodomain (BRD4-BD1 IC50=28 nM, PLK1 IC50=40 nM).
References:
[1]. Liu S, et al. Structure-Guided Design and Development of Potent and Selective Dual Bromodomain 4 (BRD4)/Polo-like Kinase 1 (PLK1) Inhibitors. J Med Chem. 2018 Sep 13;61(17):7785-7795.https://pubmed.ncbi.nlm.nih.gov/30125504/