1. Department of Natural Drugs, University of Veterinary and Pharmaceutical Sciences Brno, Palackého 1-3, CZ-612 42 Brno, Czech Republic, Department of Crop Production, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcká 129, CZ-165 21 Prague 6-Suchdol, Czech Republic, National Center for Biomolecular Research, Faculty of Science, Masaryk University, Kamenice 5/A4, CZ-625 00 Brno, Czech Republic, Mass Spectrometry Group, Institute of Organic Chemistry and...