1. Department
of Chemistry, University of Bath, Bath, BA2 7AY, U.K.
2. Bath
X-ray Crystallographic Suite, University of Bath, Claverton Down, Bath, BA2 7AY, U.K.
3. Epinova
Discovery Performance Unit, GSK, Gunnels Wood Road, Stevenage, Herts, SG1 2NY, U.K.