1. Department of Synthesis and Structure of Biomolecules; Institute of Chemical Synthesis and Homogeneous Catalysis (ISQCH); University of Zaragoza, CSIC; Zaragoza, Aragón 50009 Spain
2. NMR Service, Center of Chemistry and Materials of Aragon (CEQMA); University of Zaragoza, CSIC; Zaragoza, Aragón 50009 Spain