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Chao CH, Cheng JC, Hwang TL, Shen DY, Wu TS.Chao CH, et al.Bioorg Med Chem Lett. 2014 Jan 15;24(2):447-9. doi: 10.1016/j.bmcl.2013.12.051. Epub 2013 Dec 20.Bioorg Med Chem Lett. 2014.PMID: 24388689