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Williams JD, Khan AR, Harden EA, Hartline CB, Jefferson GM, Keith KA, Prichard MN, Zemlicka J, Peet NP, Bowlin TL.Williams JD, et al.Bioorg Med Chem. 2012 Jun 15;20(12):3710-8. doi: 10.1016/j.bmc.2012.04.049. Epub 2012 May 1.Bioorg Med Chem. 2012.PMID: 22607883Free PMC article.