Affiliation: | a School of Science at Medway, University of Greenwich, Chatham, ME4 4TB, UK b Novartis Pharmaceuticals UK, Horsham, Sussex RH12 5AB, UK c National Crystallography Service, School of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, UK† Department of Chemistry, School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QJ, UK |