1. Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, Svante Arrhenius väg 16C, SE-10691 Stockholm, Sweden
2. Division of Organic Chemistry, Department of Chemistry, KTH Royal Institute of Technology, SE-10044 Stockholm, Sweden
3. Department of Medicinal Chemistry, Drug Design and Discovery, Biomedicinskt Centrum BMC, Uppsala University, Husargatan 3, SE-75123 Uppsala, Sweden