1. Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow, G1 1XL, UK
2. Medicinal Chemistry, Research and Early Development, Oncology R&D, AstraZeneca, Cambridge, CB10 1XL, UK
3. GSK Medicines Research Centre, Gunnels Wood Road, Stevenage, Herts SG1 2NY, UK