Composition #1: JOLAD, SD., HOFFMANN, JJ., TIMMERMANN, BN., SCHRAM, KH., COLE, JR., BATES, RB., KLENCK, RE., TEMPESTA, MS. DAPHNANE DITERPENES FROM WIKSTROEMIA-MONTICOLA - WIKSTROTOXINS A-D, HURATOXIN, AND EXCOECARIATOXIN . journal of natural products, 1983, vol. 46, no. 5, p. 675–680. DOI: 10.1021/np50029a015.
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