1. School of Pharmacy, Department of Pharmaceutical Chemistry, Aristotle University of Thessaloniki, Thessaloniki, Greece, School of Pharmacy and Chemistry, Liverpool John Moores University, Liverpool, L3 3AF UK, Institute of Biomedical Chemistry, Russian Academy of Medicinal Science, Moscow, Russia, Institute of Pharmacology, Russian Academy of Medicinal Science, Moscow, Russia, and Institute of Chemistry, Moldavian Academy of Science, Kishinev, Moldova