Ulrike Grienke 1, Christina E. Mair 1, Anke Wilhelm 2, Ernst Urban 3, Martin Zehl 1, 3, 4, Michaela Schmidtke 5, Judith M. Rollinger 1
1 Department of Pharmacognosy, Faculty of Life Sciences, University of Vienna, Vienna, Austria, 2 Department of Chemistry, University of the Free State, Bloemfontein, South Africa, 3 Department of Pharmaceutical Chemistry, Faculty of Life Sciences, University of Vienna, Vienna, Austria, 4 Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Vienna, Austria, 5 Institute of Medical Microbiology, Section Experimental Virology, Jena University Hospital, Jena, Germany