1. Centre of Advanced Studies in Chemistry
2. North-Eastern Hill Unversity
3. Shillong 793 022
4. India
5. Institute of Chemistry
6. The Hebrew University of Jerusalem
7. Jerusalem 9190401
8. Israel
9. School of Life and Environmental Science
10. Deakin University
11. Geelong
12. Australia
13. Centro de Quimica Estrutural
14. Complexo I
15. Instituto Superior Tecnico
16. Universidade de Lisboa
17. 1049-001 Lisboa