1. Department
of Chemistry, University College London, 20 Gordon Street, London, WC1H OAJ, United Kingdom
2. Cancer
Institute, University College London, 72 Huntley Street, London, WC1E 6BT, United Kingdom
3. Research
Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-004 Lisbon, Portugal