1. Institute of Organic Chemistry with Center of PhytochemistryBulgarian Academy of Sciences 1113 Sofia Bulgaria
2. Department of Pharmacognosy, Faculty of PharmacyAnadolu University 26470 Eskişehir Turkey
3. Medicinal Plant, Drug and Scientific Research Center (AUBIBAM)Anadolu University 26470 Eskişehir Turkey
4. Institute of Biodiversity and Ecosystem ResearchBulgarian Academy of Sciences 1113 Sofia Bulgaria
5. Faculty of BiologySofia University ‘St. Kliment Ohridski' 1164 Sofia Bulgaria
6. Institute of Biophysics and Biomedical EngineeringBulgarian Academy of Sciences 1113 Sofia Bulgaria