1. Synthesis and Bioorganic Chemistry, NCSR “Demokritos”, 153 10 Ag. Paraskevi, Athens, Greece, Chemical Laboratories, Agricultural University of Athens, Iera Odos 75, 118 55, Athens, Greece, Crystal Engineering, Growth & Design Laboratory, Department of Chemistry, University of Crete, P.O. Box 2208, GR-71003 Heraklion, Crete, Greece, EPOS-Iasis, R&D, 5 Karyatidon Street, 2028, Nicosia, Cyprus, and University of Cyprus, 75 Kallipoleos Avenue, 1678 Nicosia, Cyprus