1. Department of Pharmaceutical Chemistry, University of Vienna, UZA 2, Althanstrasse 14, 1090 Vienna, Austria
2. Discovery Technologies, Merck KGaA, Frankfurter Straße 250, 64293 Darmstadt, Germany
3. Instituto de Biologia Experimental e Tecnológica, Oeiras, Portugal
4. Medicinal Chemistry, Merck KGaA, 64293 Darmstadt, Germany