1. Research Unit “Molecular Physical-Chemistry”, Biochemistry Department, and Centre for Neuroscience and Cellular Biology, University Coimbra, 3001-401 Coimbra, Portugal, CEQOFFUP/Organic Chemistry Department, Faculty of Pharmacy, University Porto, 4050-047 Porto, Portugal, and Institute of Health SciencesNorth, 4585-116, Gandra, Paredes, Portugal