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Chekmenev EY, Waddell KW, Hu J, Gan Z, Wittebort RJ, Cross TA.Chekmenev EY, et al.J Am Chem Soc. 2006 Aug 2;128(30):9849-55. doi: 10.1021/ja060191r.J Am Chem Soc. 2006.PMID: 16866542