1. School
of Pharmacy, University of East Anglia, Norwich, Norfolk NR4 7TJ, U.K.
2. School
of Chemistry, University of East Anglia, Norwich, Norfolk NR4 7TJ, U.K.
3. Key
Laboratory of Magnetic Resonance in Biological Systems, State Key
Laboratory of Magnetic Resonance and Atomic and Molecular Physics,
National Centre for Magnetic Resonance in Wuhan, Wuhan Institute of
Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China
4. State
Key Laboratory of Genetic Engineering, Collaborative Innovation Center
for Genetics and Development, Metabonomics and Systems Biology Laboratory,
School of Life Sciences, Fudan University, Shanghai 200433, China
5. Department
of Chemistry, University of Cambridge, Cambridge CB2 1TN, U.K.