1. Department of Chemistry, KTH Royal Institute of Technology, Teknikringen 30, SE-114 28 Stockholm, Sweden
2. UCAM-SENS, Universidad Católica San Antonio de Murcia, UCAM HiTech, Avda. Andres Hernandez Ros 1, 30107 Murcia, Spain
3. Section of Neuropharmacology and Addiction Research, Department of Pharmaceutical Biosciences, Uppsala University, Uppsala 753 10, Sweden