5I3X:
reference: Fragment-Linking Approach Using (19)F NMR Spectroscopy To Obtain Highly Potent and Selective Inhibitors of beta-Secretase., Jordan JB, Whittington DA, Bartberger MD, Sickmier EA, Chen K, Cheng Y, Judd T, J Med Chem. 2016 Apr 28;59(8):3732-49. doi: 10.1021/acs.jmedchem.5b01917. Epub, 2016 Apr 6. PMID: 26978477

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