1. Doetsch Grether AG, Falkensteinerstrasse 37, 4132 Muttenz, Switzerland
2. Preparations
Laboratories, Global Discovery Chemistry, Novartis Institutes for Biomedical Research, Klybeckstrasse 141, 4057 Basel, Switzerland
3. Institute
of General, Inorganic and Theoretical Chemistry and Center for Molecular
Biosciences Innsbruck (CMBI), University of Innsbruck, Innsbruck, Austria