1. GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry, School of Chemistry, University of Nottingham, Nottingham NG7 2GA, UK.
2. Jealott’s Hill International Research Centre, Jealott’s Hill, Bracknell, Berkshire RG42 6EY, UK.
3. Green Chemistry, GlaxoSmithKline, Medicines Research Centre, Stevenage, Hertfordshire SG1 2NY, UK.