1. Institute of Organic Chemistry, University of Freiburg, D-79104 Freiburg, Germany
2. Cluster of Excellence livMatS @ FIT − Freiburg Center for Interactive Materials and Bioinspired Technologies, University of Freiburg, Georges-Köhler-Allee 105, D-79110 Freiburg, Germany
3. Chemistry Department, Stanford University, 333 Campus Drive, Stanford, California 94305-5080, United States
4. Health Science Platform, Tianjin University, Nankai District, Tianjin, PRC 30072
5. Freiburg Research Institute for Advanced Studies, University of Freiburg, D-79104 Freiburg, Germany