1. Institute
of Pharmacy, University of Innsbruck, Innrain 52c, 6020 Innsbruck, Austria
2. Eli Lilly and Company, Indianapolis, Indiana 46285, United States
3. Eurofins Lancaster Laboratories, PSS, Indianapolis, Indiana 46285, United States
4. Department
of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, U.K.
5. X-Ray Diffraction
Facility, MIT Department of Chemistry, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States