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Casas-Solvas JM, Vargas-Berenguel A, Capitán-Vallvey LF, Santoyo-González F.Casas-Solvas JM, et al.Org Lett. 2004 Oct 14;6(21):3687-90. doi: 10.1021/ol048665j.Org Lett. 2004.PMID: 15469324