1. Institute of Biochemistry and Food Chemistry, Food Chemistry Division, University of Hamburg, Grindelallee 117, D-20146 Hamburg, Germany, Ikosatec GmbH, Grindelallee 117, D-20146 Hamburg, Germany, Lehrstuhl für Biochemie, Technische Universität München, Lichtenbergstr. 4, D-85747 Garching, Germany, Department of Medicinal Chemistry and Molecular Pharmacology, School of Pharmacy and Pharmaceutical Sciences, and the Purdue Center for Cancer Research, Purdue University, West Lafayette, Indiana 47907, and...