1. Philochem AG, Libernstrasse 3, Otelfingen 8112, Switzerland
2. Institut des Maladies Métaboliques et Cardiovasculaires, INSERM U1048, Université de Toulouse, UPS, Cedex 4, Toulouse 31432, France
3. Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology, Zurich 8093, Switzerland