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Wijeratne EM, Gunaherath GM, Chapla VM, Tillotson J, de la Cruz F, Kang M, U'Ren JM, Araujo AR, Arnold AE, Chapman E, Gunatilaka AA.Wijeratne EM, et al. Among authors: chapla vm.J Nat Prod. 2016 Feb 26;79(2):340-52. doi: 10.1021/acs.jnatprod.5b00986. Epub 2016 Jan 26.J Nat Prod. 2016.PMID: 26812276Free PMC article.