1. Department of Chemistry, Queen Mary University of London, Mile End Road, London E1 4NS, United Kingdom
2. School of Science, University of Greenwich, Central Avenue, Gillingham ME4 4TB, United Kingdom
3. Industrial Research Centre, Oril Industrie, 13 rue Desgenétais, Bolbec 76210, France
4. UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, United Kingdom