1. Donald P. Katherine B. Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California, Los Angeles, California, 90089-1661
2. Materials and Process Simulation Center, Beckman Institute (139-74) Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
3. The Scripps Research Institute, Scripps Florida, Jupiter, Florida 33458, United States