1. Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology (ETH Zürich), Vladimir-Prelog-Weg 4, 8093 Zürich, Switzerland
2. Department of Medical Oncology and Hematology, University Hospital Zürich and University of Zürich, Rämistrasse 100, 8091 Zürich, Switzerland
3. Philochem AG, Libernstrasse 3, 8112 Otelfingen, Switzerland