1. Department of Pharmaceutical
Chemistry, Philipps University Marburg,
Marbacher Weg 6, 35032 Marburg, Germany
2. Merck KGaA, Frankfurter
Straße 250, 64293 Darmstadt, Germany
3. Boehringer Ingelheim Pharma GmbH & Co. KG, Birkendorfer Straße 65, 88397 Biberach/Riß, Germany
4. Proteros Biostructures, Bunsenstr. 7a,
D-82152 Martinsried, Germany