1. Department
of Chemistry, Physical and Theoretical Chemistry Laboratory, University of Oxford, Oxford OX1 3QZ, U.K.
2. Chemical
Sciences, Computational Chemistry, GlaxoSmithKline, Stevenage, Hertfordshire SG1 2NY, U.K.
3. Drug
Metabolism and Pharmacokinetics, GlaxoSmithKline, Ware, Hertfordshire SG12 0DP, U.K.