1. Department of Organic Chemistry
2. Institute of Chemical Technology Prague
3. 166 28 Prague 6
4. Czech Republic
5. Ingenierie et Architectures Macromoleculaires
6. Institut Charles Gerhardt
7. Ecole Nationale Supérieure de Chimie de Montpellier (UMR5253-CNRS)
8. 34296 Montpellier Cedex 5
9. France
10. Department of Chemistry
11. Trinity Western University
12. Langley
13. Canada