1. Department of Chemistry and Applied Biosciences ETH Zürich Vladimir-Prelog-Weg 1–5 8093 Zürich Switzerland
2. Laboratoire de Chimie des Processus Biologiques UMR 8229 CNRS Collège de France, Paris Sorbonne Université PSL Research University 11 Place Marcelin Berthelot 75231 Paris Cedex 05 France