1. Cardiff Catalysis Institute,
School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, U.K.
2. Dow Benelux B. V., Herbert H. Dowweg 5, 4542 NM HOEK, Postbus 48, 4530
AA Terneuzen, The Netherlands
3. National Corporate R&D, The Dow Chemical Company, Midland, Michigan 48674, United States