1. Key Laboratory
of Magnetic Resonance in Biological Systems, National Center for Magnetic
Resonance in Wuhan, State Key Laboratory of Magnetic Resonance and
Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China
2. School of Chemical
and Environmental Engineering, Hubei University for Nationalities, Enshi 445000, China
3. Department
of Physical Chemistry and Materials Science, Institute
of Chemistry, University of Szeged, Rerrich Béla tér 1, Szeged H-6720, Hungary
4. Department
of Chemistry and Chemical Biology, University of New Mexico, Albuquerque, New Mexico 87131, United States