Affiliation: | †Institute for Pharmaceutical Biology, University of Bonn, 53115 Bonn, Germany;‡Institute of Inorganic Chemistry, Department of X-ray Crystallography, University of Bonn, 53121 Bonn, Germany;§Pharma Center Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, 53121 Bonn, Germany;∥Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Egypt |