Absolute configuration of sesquiterpene lactones with potent immunosuppressive activity

¹ Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland

² Institute of Environmental Health Sciences and Hospital Infection Control, University Hospital Freiburg, Freiburg (im Breisgau), Germany

¹ Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland

¹ Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland

³ Department of Physical Chemistry, University of Geneva, Geneva, Switzerland

² Institute of Environmental Health Sciences and Hospital Infection Control, University Hospital Freiburg, Freiburg (im Breisgau), Germany

¹ Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland