1. Latvian Institute of Organic Synthesis
2. LV-1006 Riga
3. Latvia
4. Biomedical Research and Study Center
5. LV-1067 Riga
6. Università degli Studi di Firenze
7. NEUROFARBA Department
8. Section of Pharmaceutical Chemistry
9. 50019 Sesto Fiorentino
10. Italy
11. University of Latvia
12. Faculty of Biology