1. Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal
2. CIQA, FCT, University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
3. Department of Organic Chemistry
I, Faculty of Pharmacy, University of the Basque Country, Paseo de la Universidad 7, 01006 Vitoria, Spain