1. Institute of Organic
Chemistry and Center for Molecular Biosciences, Leopold-Franzens-University Innsbruck, Innrain 80−82, 6020 Innsbruck, Austria
2. Department of Chemistry and Pharmacy, Ludwig-Maximilians-University Munich, Butenandtstrasse 5−13, 81377 Munich, Germany
3. Institute of General, Inorganic & Theoretical Chemistry, Leopold-Franzens-University Innsbruck, Innrain 80−82, 6020 Innsbruck, Austria