1. The Edith and Joseph Fischer Enzyme Inhibitors Laboratory; Schulich Faculty of Chemistry; Technion-Israel Institute of Technology; Haifa 3200003 Israel
2. Centre of New Technologies; University of Warsaw; Banacha 2c 02-097 Warsaw Poland
3. Department of Drug Chemistry; Faculty of Pharmacy with the Laboratory Medicine Division; Medical University of Warsaw; Banacha 1a 02-097 Warsaw Poland