1. School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
2. School of Chemistry and Molecular Biosciences, University of Queensland, Brisbane, Queensland 4072, Australia
3. Ian Wark Laboratory, CSIRO Manufacturing, Melbourne, Victoria 3168, Australia
4. Drug Discovery Unit, Division of Biological Chemistry and Drug Discovery, School of Life Sciences, University of Dundee, Dundee DD1 5EH, U.K.
5. Pfizer Inc., Groton, Connecticut 06340, United States
6. School of Pharmacy, University College London, London WC1N 1AX, U.K.