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  • Title: 1H and 13C NMR signal assignment of cucurbitacin derivatives from Citrullus colocynthis (L.) Schrader and Ecballium elaterium L. (Cucurbitaceae).
    Author: Seger C, Sturm S, Mair ME, Ellmerer EP, Stuppner H.
    Journal: Magn Reson Chem; 2005 Jun; 43(6):489-91. PubMed ID: 15772995.
    Abstract:
    2D NMR-derived 1H and 13C NMR signal assignments of six structurally closely related cucurbitacin derivatives are presented. The investigated 2-O-beta-D-glucopyranosylcucurbitacins I, J, K, and L were obtained from Citrullus colocynthis (L.) Schrader whereas the aglyca cucurbitacin E and I were isolated from Ecballium elaterium L.
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