1. Center for Radiopharmaceutical Sciences of ETH, PSI and USZ, Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology (ETH) Zurich, Wolfgang-Pauli Strasse 10, 8093, Zurich, Switzerland
2. Laboratory of Organic Chemistry, Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology (ETH) Zurich, Wolfgang-Pauli Strasse 10, 8093 Zurich, Switzerland