4TW9:
reference: Difluoro-dioxolo-benzoimidazol-benzamides As Potent Inhibitors of CK1delta and epsilon with Nanomolar Inhibitory Activity on Cancer Cell Proliferation., Richter J, Bischof J, Zaja M, Kohlhof H, Othersen O, Vitt D, Alscher V, Pospiech I, Garcia-Reyes B, Berg S, Leban J, Knippschild U, J Med Chem. 2014 Sep 17. PMID: 25191940

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