1. National Institute for Chemical-Pharmaceutical Research and Development
2. Bucharest-3
3. Romania
4. Organic Chemistry Center “C.D.Nenitescu”
5. 060023 Bucharest
6. Romanian Academy-Institute of Biochemistry (IBAR)
7. Bucharest
8. Institute of Macromolecular Chemistry “Petru Poni”
9. 700478 Iasi