1. The GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry, University of Nottingham, Jubilee Campus, Triumph Road, Nottingham, NG7 2TU, UK
2. School of Chemistry, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
3. School of Pharmacy, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham, NG7 2RD, UK
4. Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, Queen's Medical Centre, University of Nottingham, Nottingham, NG7 2UH, UK
5. Centre of Membrane Protein and Receptors, Universities of Birmingham and Nottingham, The Midlands, UK