Molecules 2014, 19
6735
Tübingen, Germany for running the NMR spectra. This work was supported by the government of
Baden-Württemberg (Zukunftsoffensive IV “Förderung von Innovation und Exzellenz”).
Author Contributions
Fabiana Geller was mainly responsible for the plant collection and extraction, isolation, structure
elucidation, and writing the article. Renato Murillo was in charge of interpreting the NMR spectra.
Lisa Steinhauser and Klaus Albert were responsible for providing the facilities for NMR analysis.
Berta Heinzmann was the main person responsible for plant collection and extraction, and also
performed a critical revision of the article. Irmgard Merfort was involved in the design of the project,
the structure elucidation and the critical revision of the article. Stefan Laufer was responsible for
obtaining funding, for the design of the project and for the final approval of the article.
Conflicts of Interest
The authors declare no conflict of interest.
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