1. Institute of Pharmaceutical Chemistry University of Szeged 6720 Szeged Eötvös u. 6 Hungary
2. Stereochemistry Research Group of the Hungarian Academy of Sciences 6720 Szeged Eötvös u. 6 Hungary
3. Department of Microbiology University of Szeged 6726 Szeged Közép fasor 52 Hungary
4. Department of Pharmacodynamics and Biopharmacy University of Szeged 6720 Szeged Eötvös utca 6 Hungary
5. Interdisciplinary Center of Natural Products University of Szeged 6720 Szeged Hungary