5CF5:
reference: Structure-Based Design of Selective Janus Kinase 2 Imidazo[4,5-d]pyrrolo[2,3-b]pyridine Inhibitors., Hart AC, Schroeder GM, Wan H, Grebinski J, Inghrim J, Kempson J, Guo J, Pitts WJ, Tokarski JS, Sack JS, Khan JA, Lippy J, Lorenzi MV, You D, McDevitt T, Vuppugalla R, Zhang Y, Lombardo LJ, Trainor GL, Purandare AV, ACS Med Chem Lett. 2015 Jul 10;6(8):845-9. doi: 10.1021/acsmedchemlett.5b00225., eCollection 2015 Aug 13. PMID: 26288682

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