Affiliation: | aDepartment of Molecular Biophysics and Biochemistry, Yale University Magnetic Resonance Centre, P.O. Box 208043, New Haven, Connecticut, 06520-8043;bDepartment of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom;cDepartment of Cardiovascular and Musculoskeletal Research, Zeneca Pharmaceuticals, Alderley Park, Macclesfield, Cheshire, SK10 4TG, United Kingdom |