1. Organic Biomimetic Chemistry Research Group Department of Organic and Macromolecular Chemistry Ghent University Krijgslaan 281, S4bis 9000 Ghent Belgium
2. NMR and Structure Analysis Unit Department of Organic and Macromolecular Chemistry Ghent University Krijgslaan 281, S4bis 9000 Ghent Belgium
3. Laboratory of Phytopathology Department of Plants and Crops Ghent University Coupure links 653 9000 Ghent Belgium
4. Centre for Microbial and Plant Genetics Faculty of Bioscience Engineering KULeuven Kasteelpark Arenberg 20 3001 Leuven Belgium