5FGK:
reference: Discovery of Potent, Selective, and Orally Bioavailable Small-Molecule Modulators of the Mediator Complex-Associated Kinases CDK8 and CDK19., Mallinger A, Schiemann K, Rink C, Stieber F, Calderini M, Crumpler S, Stubbs M, Adeniji-Popoola O, Poeschke O, Busch M, Czodrowski P, Musil D, Schwarz D, Ortiz-Ruiz MJ, Schneider R, Thai C, Valenti M, de Haven Brandon A, Burke R, Workman P, Dale T, Wienke D, Clarke PA, Esdar C, Raynaud FI, Eccles SA, Rohdich F, Blagg J, J Med Chem. 2016 Jan 21. PMID: 26796641

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