1. School of Chemical Sciences
2. The University of Auckland
3. Auckland 1142
4. New Zealand
5. Institute of Fundamental Sciences
6. Massey University
7. Palmerston North 4442
8. Maurice Wilkins Centre for Molecular Biodiscovery
9. Dept. Química
10. Universidad de La Rioja
11. Centro de Investigación en Síntesis Química
12. E-26006 Logroño
13. Spain