1. Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Medical University-Sofia, 2 “Dunav” str., 1000,Sofia, Bulgaria
2. Department of Chemistry, Faculty of Pharmacy, Medical University-Sofia, 2 “Dunav” str., 1000, Sofia, Bulgaria
3. Department of Pharmacology, Pharmacotherapy and Toxicology, Faculty of Pharmacy, Medical University-Sofia, 2 “Dunav” str., 1000, Sofia, Bulgaria
4. Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmacy, MedicalUniversity-Sofia, 2 Dunav Street, 1000 Sofia, Bulgaria