1J4R:
reference: 2-Aryl-2,2-difluoroacetamide FKBP12 ligands: synthesis and X-ray structural studies., Dubowchik GM, Vrudhula VM, Dasgupta B, Ditta J, Chen T, Sheriff S, Sipman K, Witmer M, Tredup J, Vyas DM, Verdoorn TA, Bollini S, Vinitsky A, Org Lett 2001 Dec 13;3(25):3987-90. PMID: 11735566

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