Affiliation: | 1. Centre for Systems Chemistry, Stratingh Institute, University of Groningen, Nijenborgh 4, 9747 AG Groningen (The Netherlands) http://www.otto‐lab.com;2. Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW (UK);3. Present address: Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge, CB4 0QA (UK) |