1. Institute of Biochemistry, Leipzig University, Leipzig 04103, Germany
2. Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37235, United States
3. Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, Texas 76107, United States
4. King′s College London, Wolfson Centre for Age-Related Diseases, Institute of Psychiatry, Psychology & Neuroscience, London SE1 1UL, U.K.
5. Department of Pharmacology, Vanderbilt University, Nashville, Tennessee 37232, United States
6. Institute of Chemical Biology, Vanderbilt University, Nashville, Tennessee 37232, United States
7. Institute for Drug Discovery, Leipzig University, Leipzig 04103, Germany