1. EaStCHEM School of Chemistry University of Edinburgh Joseph Black Building David Brewster Road Edinburgh EH9 3FJ UK
2. Current address: Oncology R&D AstraZeneca Cambridge CB4 0WG UK
3. Current address: Process Chemistry Pharmaron Hoddesdon EN11 9FH UK
4. Department of Physical and Quantum Chemistry Faculty of Chemistry Wrocław University of Science and Technology Wrocław Poland