1. Faculty of Chemistry
2. Maria Curie-Skłodowska University
3. 20-031 Lublin
4. Poland
5. Department of Chemical Technology of Drugs
6. Faculty of Pharmacy
7. Medical University of Gdańsk
8. 80-416 Gdańsk
9. Department of Chemistry
10. University of Warsaw
11. 02-089 Warsaw
12. Nuclear Magnetic Resonance Laboratory
13. Gdańsk University of Technology
14. 80-233 Gdańsk
15. Department of Organic Chemistry
16. Nicolaus Copernicus University in Toruń
17. 85-089 Bydgoszcz