1. Institute of BotanyLeibniz University Hannover Herrenhäuserstrasse 2 D-30419 Hannover Germany
2. CECAD Lipidomics Facility, CECAD Research CenterUniversity of Cologne Joseph-Stelzmann-Strasse 26 D-50931 Köln Germany
3. Institute of Organic ChemistryLeibniz University Hannover Schneiderberg 1B D-30167 Hannover Germany